winds, and flash flooding. the threat expected to last throughout the night, and what millions could face for the morning commute. nearly 2,000 flight cancellations already, and that number is growing. in the southwest, dangerous heat with no end in sight. rob marciano times it all out. the urgent manhunt for a murder suspect in pennsylvania. officials say he has military training and self-taught survivalist skills. they claim they found stockpiles of supplies or campsites they believe are associated with him and consider him armed and dangerous. and in the west, authorities near sacramento desperately searching for another murder suspect, who escaped overnight. alex presha is standing by. president biden touching down in the uk ahead of a crucial nato summit after saying ukraine is not yet ready to join the alliance, and the growing divide over cluster munitions. the biden administration is defending its controversial decision. what president zelenskyy told our martha
news the suspect posted disturbing messages online before the shooting, which is just one of many over the holiday. authorities in shreveport are searching for the suspect wanted for killing four people at a birthday block party. 18 people killed, more than 100 wounded in mass shootings over the last four days. trevor ault is in philadelphia. record-breaking heat and travel. more than 50 million americans are now making the return trip home after the long holiday weekend. the tsa screening an all-time high of 2.8 million in one day. and tonight, a new round of severe storms from denver to chicago. heat alerts from oregon to florida into the northeast. and the new record for the hottest day on earth. tensions rise in the gulf of oman. the u.s. navy releases video showing an iranian naval ship, accusing iran of trying to seize two foreign oil tankers in international waters, firing at one of them. a u.s. navy destroyer racing to protect the ships. marcus moore standing by.
relentless heat from the southwest to the southeast. temperatures in the 100s. what all this could mean for your holiday weekend plans. rob marciano is standing by. record-breaking july 4th travel in full swing, but lingering frustrations for some. the staggering number of people screened by the tsa. thousands of delays and cancellations from the week. what you can expect for the journey home. and the ceo of united under scrutiny, taking a private plane when he couldn t even get a seat on his own airline. the new 2020 election interference allegations against former president donald trump. tonight sources say the former governor of arizona asked to find fraudulent votes. what we re learning about that phone call. a mother s kidnapping hoax fallout. the influencer convicted and sentenced after claiming a couple tried to take her children. her allegations going viral. that couple now speaking out as the mother learns her fate. new ukraine nuclear plant fears. the worr
continue to pull out of russian cities. the nation now reeling from a weekend of turmoil. what the u.s. and russian governments knew ahead of time, as former russian allies did an about-face, squaring off against each other. plus, brutal fighting on the ground as ukraine tries to take advantage of the confusion. and late word of a possible russian plot to blow up a ukrainian nuclear plant. ian pannell and patrick reevell in ukraine and elizabeth schulze at the white house. also tonight, the severe weather outbreak. 64 million americans in the storm zone. tornado watches in multiple states in the midwest, as the threat moves east. the south is sweltering with no end to the heat wave in sight. rob marciano times it all out. were warning signs missed before the deadly implosion near the ruins of the titanic ? a submersible expert tell us what he heard during a 2019 dive that raised concerns of a serious flaw in the titan s design. letters containing a suspicious powder
president biden kicks off his re-election campaign in pennsylvania. a critical battleground. the president getting a bird s eye view of a collapsed section of i-95. tonight, the new timeline for when that area will reopen. and republicans on the campaign trail, nikki haley bids farewell to her husband. deploying with the south carolina national guard to africa. karen travers reporting from philadelphia. new fallout from the death of an 8-year-old migrant girl who was laid to rest today. her family says border patrol officials ignored their pleas for help. the fbi arrests a suspect for allegedly plotting a mass murder at a synagogue. agents saying they found an arsenal of weapons and ammunition at his home. the scare on the tarmac. one plane clipping another plane s tail. passengers on board, one family capturing the moment. after several recent incidents, how federal officials are planning to address these close calls. a 73-year-old diver losing her leg in a shark a