In classic roles through the decades as an actor and comedian. And now tributes are pouring in from fans, fellow enter takeners, even president obama. They believe the oscar winner took his own life. Still the question on the minds of so many of how could a man like this also battled such powerful demons. Lets begin our coverage with dan simon near williams home in california. Reporter good morning, kate. Robin williams had been a fixture in San Francisco for many, many years. You can see the flowers that people are leaving in front of the house. Emergency crews responded just before noon yesterday and therein side they found williams completely unresponsive. This morning, the world reeling over the shocking death of hollywood comedic legend Robin Williams, apparently committing suicide according to investigators. Death due to asphyxia monday morning. Williams was last seen alive by his wife the night before. I lost my husband and best friend said shah nieder in a Statement Released monday. The 63yearold had a long history of alcoholism and drug addiction, but was recently battling severe depression. His sudden death leaving hollywood and fans stunned. This is absolutely shocking and and horrifying and so upsetting on every level. Reporter conan obrien visibly emotional when he broke the news to his audience. Were so very sorry to have to report this to anybody whos hearing it for the first time. And were going to end our show now and thank all my guests and good night and god bless Robin Williams. Reporter williams last Instagram Post was two weeks ago. Up loading a photo of his daughter as a child. Monday night, she posted a quote writing, i love you, ill miss you. Very sad. Mourning the loss of such a great man. He was also a friend and i admired him. Hes a legend. Reporter thousands of fans and celebrities also taking to social media to express their sorrow. From president obama tweeting, he was one of a kind. Several films featuring the late star are slated to release in the coming month, including night at the museum 3. He leaves behind a wife and three children. Williams was said to be a common presence thought the neighborhood. He was often seen riding his bike, talking to the children in the area. I can tell you that a forensic examination is scheduled for some time today. The News Conference at 2 00 p. M. Eastern time. Thanks so much. You know, to me, Robin Williams was this energy, he was a vessel for this energy that just seemed to burst out at times. Almost manic. Almost beyond control. The roles you look back on. Mrs. Doubtfire, he played peter pan. It is truly amazing. Were here with just a look back. You sit there and talk about it, there are celebrities and then there are hollywood icons. Weve been hearing Robin Williams definitely fits into that latter role. His career span four decades. Lets take a look back at Robin Williams life and his legacy. It was 1978 when Robin Williams was unleashed to the world. High octane mork from the planet mork in mork and mindy, williams became a household name. Born in 1951, he proved he could do more than make people laugh, unveiling his dramatic side for the first time in 1982s the world according to garth. That serious side earned him Oscar Nominations for the fisher king. Good morning vietnam good morning vietnam and dead Poets Society. He finally won his only oscar statute in 1998 for good will hunting. Delighting a Younger Generation in the 90s, he was the voice of the genie in disneys aladdin. And played the childlike dad in disgui disguise. But williams never stopped being funny even when the topic seemed serious. Remember that the money youre donating is going directly to homeless people. Comic relief raised more than 50 million. And even when he talked about his battles with drugs and alcohol, he talked about them with humor. I was a drunk. You were a drunk. Well, thats nice of you to say that. He took three trips to rehab. Most recently this summer. He talked about the process on larry king live back in 2007. What happens in rehab . You dry out. People start the process of just saying no and being among others and learning youre not alone. Do you lose your sense of humor in it . No, you find it. So youre funny there too. Oh, yeah. With his Joyful Energy and wacky humor, he was the definition of full of life. Even now, his comic legend is destined to endure. If heaven exists, what would you like to hear god say when you arrive . Theres seating in the front. The concert begins in five. It will be elvis and one of your choosing. Or just to know theres laughter, that would be a great thing. God goes, theres two dudes that walk into a bar. Still making us laugh this morning. Thank you very much, mr. Williams. There was a tweet last night that Robin Williams heart was as big as his genius. Jessica put out a Statement Last night that Robin Williams changed her life. She said he gave her a scholarship, put her through college and changed her life for the better, a allowed her to go onto be this wonderful actress. She said he was such a generous and kind individual. Thats something we learned. She says now shes going to pay it forward. Shes going to do the same thing for other people that he did to her. You see the comic relieves there. I love that. What you saw there was these other performers. Pretty damn good ones too, staring at this man going, i am in awe of you. We heard henry wink ler say that last night. He said the minute that Robin Williams walked on the set of happy days and created this character, everybody knew they were looking at Something Different, that they were looking at genius of another level. He said it was palpable. You could see it. Immediately. Hes become the measure that everyone kind of holds themselves up against. No one can compare to that level of comedic genius. I was saying my favorite thing was any time he had to do an acceptance speech, you just watched him. West hollywood laugh factory put on their marquis, rest in peace Robin Williams, make god laugh and that is beautiful. Hes going to be missed, guys. But theres so many wonderful memories. I think so many people will be doing that today. We know all of you are doing it. There is a lot of other news going on right now. Yeah, lets take a look at the headlines right now. The u. S. Is calling on iraqi leaders to work quickly with the newly appointed Prime Minister to former United Government and stop isis militants, but the sitting Prime Minister is not going to go quietly. Hes threatening to use the courts, eeb military course. Calm holds in gaza as incorrect talks between palestinian and israeli negotiations are underway in cairo. Both sides work on a permanent ceasefire. An israeli official says talks have made no progress so far. Two lie beer january doctors with ebola will receive the last available doses of zmapp. One of them, a spanish priest being treated in madrid died this morning. The lie beer januarys will be the first africans to get the untested medication. The World Health Organization said the panel approved the use of the experimental drug. More than 1,000 people have now died. Ukrainian officials are trying to get residents out of the two rebel strongholds. They are arranging dor dors to escape. In the meantime, western critics are are concerns a socalled humanitarian convoy could be a ploy by Vladimir Putin to stage an invasion and establish a perm presence there. Thats a look at your headlines. Were going to have much more on the sudden death of Robin Williams. Were going to hear from friends of his. Also coming up next, a he row ik rescue we want to tell you about people trapped on a mountain in iraq. We were in the middle of the all. Their stories ahead. son oh no. Can you fix it, dad . Yeah, i can fix that. dad i wanted a car that could handle anything. I fixed it dad thats why i got a subaru legacy. vo symmetrical allwheel drive plus 36 mpg. I gotta break more toys. vo introducing the allnew subaru legacy. Its not just a sedan. Its a subaru. So i can reach ally bank 24 7, but there are24 7branches . Its just im a little reluctant to try new things. Whats wrong with trying new things . Feel that in your muscles . Yeah. I do. Try a new way to bank, where no branches equals great rates. Help keep teeth clean and breath fresh. With beneful healthy smile snacks. With soft meaty centers and teeth cleaning texture,its dental that tastes so good. Beneful healthy smile food and snacks. Lactaid® is 100 real milk . Right. Real milk. But it wont cause me discomfort. 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Secretary of state john kerry says the yates hopes the Iraqi Government can form a united front. It has to regain the confidence of its citizens by governing inclusively, but also by taking steps to demonstrate their resolve. And were going to continue to stand with the iraqi people during this time of transition. All of this comes as u. S. War planes continue to pound isis targets in Northern Iraq. Nick patton walsh is live in baghdad with much more. A lot needs to be focused on now in baghdad with this political transition, nick. Reporter absolutely, kate. Really how messy it gets depends on how desperate former Prime MinisterNuri Al Maliki is. As though Nuri Al Maliki is history in some ways. They are saying, look, they welcome him, congratulate him to his new post. What will al maliki do now . Limited in scope. There are many allying turning their backing on him. They need to see the back of maliki. He could harness some members of the security forces. Hell launch possibly some legal challenges. Reason, this is a constitution that is barely ten years old. Many here looking at tense worrying days ahead to see if in the next month that Prime Minister designate can put a cabinet together and get baghdad and iraq out of that political void and turmoil its been in so they can confront the real change, and thats isis, sweeping through its north. What will that transition look like, that is someone Everyone Needs to watch closely. There are millions of people in iraq who need that stability to move on. Were going to show you something right now that is remarkable, brave, and terrifying all at once. Ivan watson went on a dangerous journey delivering supplies to the thousands of villagers standed on top of a mountain. What we will see is how desperate they are to get out and just how hard it is right now to help. Reporter machine gunners unleashed bursts of hot metal. This is the crew aboard an Iraqi Air Force helicopter. They burn through belts of ammunition while rushing in food, diapers, water and babys milk over isis front lines to the civilians trapped on sinjar mountain. They are opening fire on targets down below. Theyre clearly trying to defend the aircraft. You can see the people below trapped on sinjar mountain. Theyre clustered under olive trees right now waves to us. They seem to have gathered in these shelters down here. A lot of women and children waving. The crew hurls packages out the door. People swarm the chopper. This has been one chaotic aid distribution. I really hope he didnt hurt anybody with the bottles of water we were throwing down from the height of 20, 30 feet. People were waving. They were giving thumbs up. And there are a couple people very relieved to be off the mountain and clearly very, very frightened. Then the helicopter lands one last time to pick up more passengers. Here they come. More desperate people throw themselves at the aircraft. Heaving their children on board. Its first come, first served. There were some who couldnt make it. Aboard the aircraft, shock. Exhaustion. Fear that eventually gives way to relief. I cant describe to you how relieved people are right now. Theyre just shocked and the chaos of that moment. But we have this little girl here, shes not happy, because she says her father got left behind. The gunners are opening fire on targets below. Theyre protecting the helicopter. But its terrifying these little kids who are traumatized after their week trapped on that mountain. The problem is were flying over isis front lines. This is the only protection we have right now to protect the aircraft and its precious cargo. Tensions ease when we cross into kurdish controlled territory. For a moment, there are even smiles as these children realize their ordeal on the mountain is finally over. Ivan watson, cnn other sinjar mountain in Northern Iraq. That is such an incredible look at the desperation right now. The anguish on their faces is to palpable. Its such an important story to tell. Weve talked about the people stuck on that mountain, fleeing for their lives. But to see it and to see what theyre going through, unbelievable. Were lucky ivan went and can show the world whats happening there and hopefully the world will respond. 23 minutes after the hour. Next up for us on new day, he was a force in comedy, a force of nature. Much more on the life and legacy of the bill i cant Robin Williams following his sudden death at the age of 63. What will your pleasure be let me take your order, jot it down you aint never had a friend like me whisper what it is you want you aint never had a friend like me so niiice sweet, sweet st. Thomas nice so nice, so niiice st. Croix, full of pure vibes so nice, so niiice st. 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Youre absolutely right. Hes a funny person. You would watch Robin Williams and you would be shocked and stunned by how that brain was working. You were laughing, but you were amaz amazed. I heard it described as dazzling imagination and dazzling improvisation. Absolutely. When you look at it now is that it was incredibly wise. It was never mean. It had no contempt. It had a joy about life and he was constantly striving to make these kinds of connections. You look at everything from will ferrell to south park to john stewart, you see Robin Williams in all of that. You cannot underestimate the influence hes had. Weve been looking at quotes all morning from aladdin. Its like the disney an may tors could not keep up with the energy. Without question. Hes doing ed sullivan, hes doing rifts about pop culture in that movie. They strapped in for the ride and let him go and made the character around him. We talk about how people like carson revered him. What was he like as a celebrity in the world of hollywood . He was very, very wellknown. He was part of the establishment of hollywood. He did a lot of work with comic relief and things like that. He had