Plus, the pmselresideon beit todays vote on the obamacare replacement could be too close pton b . There is no plan b. There is plan a and plan a. We good morning from the studio 57 newsroom at cbs news good to be with you. Im annemarie green. Breaking overnight British Police conducted raids in Central England as part of an investigation into yesterdays attack outside parliament. Six homes were raided. Seven people were arrested. Parliament will open this morning as norral, but it will not be business as usual. Britains front pages show the horror of the terror attack. Five people including a knifewielding assailant were killed in the assault in the heart of london. Authorities believe the attacker alkted alone and was inspired by international terrorism. At least 40 others were injured, some severely. The attacker plowed through pedestrians on Westminster Bridge, crashed through a bridge outside parliament, jumped from his suv and stabbed an armed guard to death before he was shot by forwards himself. Reporter the attention has moved into Central England right now as several homes have been raided in the birmingham area. Down here in london around parliament we have seen the area still closed off. This is still considered a crime scene as this investigation, which involves hundreds of officers around the uk, continues. Plivgs in london carried out vehicle checks overnight, steps away from Britains Parliament where wednesdays deadly rampage was carried o it. The location of this attack was no accident. The terrorist chose to strike at the heart of our capital city. Reporter this video captured by a tourist showed some of the injured lying along the popular Westminster Bridge after Authorities Say the suspect intentionally ran them over with a car. There was noises, people running. We couldnt tell what was wrong. Reporter they say the man slammed the vehicle into the gates of parliament before getting out of his car and established 48yearold Police Officer steve palmer to death. The chaos finally ended when a Police Officer finally shot and killed the suspect. We think we know who the attacker is and were working with associates. Reporter the incident is the latest in a recerecent attacks. Who is going to stop anybody with a desire to kill from hiring a truck or buying a car. Reporter as to whether isis was involved, Prime Minister theresa may said sit extends must not give in to fear. We must all move forward, never giving in to terror. Reporter travelers are told to avoid the area as the investigation unfolds. The security level has been at severe for several years now because authorities have long said it is not if but when a terrorist attack would happen. Annemarie. Teri okita outside parliament. Thanks a lot, terteri. Don dahler reports. Reporter more than 300,000 people pass through times square on any given day, attempted target where several years ago a terrorist failed to carry out a car bomb that could have skilled scores. The city involved heavy concrete barriers around areas where there are large crowds. A new policy allowed new york officers to fire on a vehicle without hesitation. The u. S. State department uses antiramp barriers called boll larred like you see here around the embassy. They can stop a truck going 50 miles an hour. But former nypd officer and fbi agent manuel gomez said cities with large populations will always be vulnerable. No city could potentially fortify every street corner. It would be a war zone. Reporter last year a radicalized Ohio State University student drove his car into a group of other students before attacking them with a knife. Terror attacks involved vehicles ramming pedestrians in berlin and nice killed 98 and injured hundreds. In israel, attacks using cars are almost a regular occurrence. As these attacks happen, we have enforcements like we have now. We have in our parades blocks of concrete, streets closed off. So we evolve as the threat evolves. Reporter Security Experts say preventive measures have warded off many types of attacks but the best is another person reporting suspicious activity. Don dahler, cbs news, new york. Ahead on cbs this morning, well ask cbs news senior alt Fran Townsend about the London Attack and the response. Todays plan to dismantle obamacare is up in the air. Cbs news has learned at least 31 House Republicans say theyll oppose the deal, enough to scuttle the legislation. Conservative house members are expected back at the white house this morning for more negotiations. President trump has been pressing opponents. Slowly but surely were getting there and i feel denlts when the vote comes up, well have the votes. Gop leaders have been tweaking the legislation. Conservative lawmakers are demanding a repeal of essential Health Benefits that require insurers to pay for services such asthma ternty care, Emergency Services and primgs trucks. Democrats are crying foul after some said some Trump Communications may have been scooped up by intelligence officials but as Margaret Brennan reports devin nunes says this has nothing to do with the president s wiretapping claims. They collected information about u. S. Citizens involved in the trump transition. Reporter House Committee chairman devin nunes said he had seen about a doesen. That would mean trump or associates were i believe it wu all done legally. Reporter nunes is investigating russian interference but they say the reports did not involve russia. After briefing the president nun yen said he was concerned that President Trumps name and those of his team were not properly redacted from the reports thus unmasking their identities. So your issue is the unmasking, not at that there was this monitoring. Theres an an additional unmasking of names which i think is totally appropriate. Reporter he was asked if the new information vindicated his claims that president Obama Wiretapped his phones. I somewhat do. I appreciate what they found. Reporter but nunes himself said the president was wrong. He took the unusual step of briefing the press and then the president before telling adam schiff, the top democrat on the intelligence committee. The chairman will need to decide whether hes a chairman of independent side between the Trump Campaign and the russian or hes going to act as a surrogate of the white house because he cannot do both. Margaret brennan, cbs news, the white house. An Associated Press report has added another story line into the investigation of possible collusion between Trump Associates and russian officials. The ap reports former aide Paul Manafort secretly worked for a russian billionaire as early as ten years ago. He was paid 10 million to come up with a plan. Many a statement he denied working for the russian government and said once again smear and innuendo are being used to paint a false picture. Well, a wildfire in northeast florida near jacksonville destroyed as many as 15 homes. Firefighters battled a fire overnight. It started yesterday when a person was burning books. Firefighters ran from home to home ordering residents to evacuate as strong winds fanned the flames. We were told to evacuate. I dont think we have much choice. Where are you going . Im not sure. Reporter the fire has burned at least 400 acres. No serious injuries are reported though. Coming up on the morning news, rising security costs. The secret service asks for extra money to protect the president. And historic win. The u. S. Captures the world baseball classic championship. This is the cbs morning news. 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Make life better, with a beautiful, healthy, trugreen lawn. How do they make starburst taste so juicy . They use wicked small fighter jets to shoot the juiciness into every starburst. [ pilot ] its about to get juicy. Whoo i feel so aliii. It takes guts. [ female announcer ] starburst. Unexplainably juicy. Rounded to third base. Orna doe has got it. Americas team takes the world baseball classing for the first time. They scored an 80 win over puerto rico last night in los angeles. Toronto blue jays pitcher Michael Stroman was named mvp. Theyve struggled since it began in 2006. College fans will be wearing their favorite colors starting tonight. Weve got a doubleheader here on cbs. Oregon will face sharpshooting michigan at 7 00 p. M. Eastern followed by the kansas purdue showdown. Well, the secretary of state is involved in a missing email controversy. And the rising cost of protecting the president. Those are some of the headlines on the morning news stand. The Washington Post reports that the secret service wants 60 mlt more a year for security. They say half of that is to protect trump tower in new york, protection for him when hes in florida and his sons Business Travel has increased costs. The New York Times reports that the man involved in a stabbing was driven by hatred. Police say he came to his home in new york from baltimore intemding to kill black men at random. Exxon says they cant find a years worth of emails that discuss climate exchange. Tillerson used an alias tracker. They want to know if they mislead investors. Reuters reports that dozens of children in communities are at risk for lead poisoning. The problems could be caused by tainted soil, trirnging water, or exposure to old paint. And people learn that the young jfk, john f. Kennedy jr. , was fascinated by hitler. The future president kept a diary while works as a reporter in europe after world war ii. He described hitler as one of the most significant figures who ever lived. The diaries are being held in boston. Ahead on cbs this morning, more on kennedys diary as we take you into the auction house where it will be sold. But still ahead, youtube ad controversy. And improving the flow. The nfl announces plans to speed up the game. It can seem like triggers pop up everywhere. Luckily theres powerful, 24hour, nondrowsy claritin. It provides relief of symptoms that can be triggered by over 200 different allergens. Live claritin clear. Listerine® total care strengthens teeth, after brushing, helps prevent cavities and restores tooth enamel. Its an easy way to give listerine® total care to the total family. Listerine® total care. One bottle, six benefits. Power to your mouth™. Heres a look at todays forecast in some cities around the country. Chuck berry was a relentless rock and roller to the final end. His finally album, the first in 38 years, will be released in june. The legendary guitarist died last weekend at 90. Major tooiszers pull out of youtube and plans to speed up the nfl game. Jill waug never is at the New York Stock Exchange with that and more. Good morning, jill. Good morning, annemarie. Investors are waiting on the health care vote. Also sears says it may not be able to stay in business. The retailer has been struggling for a while now. Sears Stock Plunged 12 yesterday. The dow fell 6 points. The s p finished 12 points higher and the nasdaq gained 2 pointsing. Ade verizon to the list of Companies Pulling their ads from you tuque. Several companies are boycotting the site because their ads are alongside have it owe promoting terrorism and other topics. They will step up their efforts to blockades that are hateful and send derogatory things. They say for some users, this would create obvious privacy issues. The National Football league is making plans to speed up the game. The proposed changes include how video replays are handled using a time clock for extra points and after a touchdown. The nfls also discussing with tv networks how to make commercial breaks less intrusive. Team owners meet next week. 75 have to agree to the changes. And starbucks says it plans to hire more vets and young people. Starbucks Ceo Howard Schultz said it met its go of hiring 25,000 vets and spouse by 2018 and plans to hire 25,000 more. The giant coffee chain plans to open 2,500 new stores by 2021. Annemarie. A whole lot of coffee. Jill wagner at the New York Stock Exchange. Thanks so much, jill. Coming up, hat trick on st. Peters square. Well meet the little girl from atlanta who snatched the popes skull cap. And former Vice President joe biden has a social media moment with a special puppy. Dont stare at me. See me. See me. See me to know that psoriasis is just something that i have. Im not contagious. See me to know that. I wont stop until i find what works. 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Well, maybe a 3yearold atlanta girl is a little bit too young to know about thou shalt not kill or rather thou shalt not steal. Im getting my im getting things mixed up a little bit. Well, the sculpt cap was a little too much for stella to resist. Pope francis laughed it off. They say he likes to be treated as a regular person. And joe biden doesnt mind that a new friend he met cant vote. He met a 4yearold golden retriever named biden yesterday at the capitol. The meeting was well covered on the pups instagram account. Bideto biden the golden. This is the cbs morning news. No artificial preservatives in any of the food we sell. We believe in real food. Whole foods market. Hey allergy muddlers are you one sneeze away from being voted out of the carpool . Try zyrtec® zyrtec® starts working hard at hour one and works twice as hard when you take it again the next day. Stick with zyrtec®. Muddle no more®. Try rhinocort® allergy spray for powerful nasal allergy relief. Whats the story behind Green Mountain coffee and fair trade . Lets take a flight to colombia. This is boris calvo. Boris grows mindblowing coffee. And because we pay him a fair price, he improves his farm and invest in his community to make even better coffee. All for a smoother tasting cup. Green mountain coffee. Our top stories this morning, British Police arrested seven people in connection with yesterdays attack on parliament. The attacker plowed his suv into people on the national bridge near the pair lament and stabbed a guard to death. Four people including the attacker were killed. The location of the attack was no accident. The terrorist chose to strike at the heart of our capital city. 40 others were injured, some severe severely. Police have not yet identified the attacker but say they believe they know who he was. And its unclear if the house will vote today on legislation to replace obamacare. Cbs news has learned at least 31 House Republicans say theyll oppose the deal enough to scuttle it. Negotiations with conservatives opposed to the bill are expected to resume this morning. President trump met yesterday with members of the Congressional Black Caucus at the white house. As weijia jiang reports, lawmakers say theyre encouraged though the discussion got off to a candid start. Reporter Seven Members from the Congressional Black Caucus appeared stoic during a photo op at the white house. It was the first meeting with President Trump. Im very glad youre here. Its a tremendous honor for me. Reporter last month at his first News Conference in Office President trump suggested an africanamerican reporter arrange the meeting with the group. Do you want to sets up the meeting . Are they friends of yours . Reporter the cbs responded on twitter reporting to an unanswered request for speaking with the president. They talked about a variety of issues like infrastructure, education, and communities, and tried to build good faith with the president. We wer