tonight, a special edition of "world news tonight". making history in cuba. president obama just touching down here. the first time in nearly 90 years an american president has set foot in havana. but the visit not without controversy. will there be new opportunity for american business here? how soon will american tourists be allowed in? the famous hotel chain announcing new plans tonight. as we take you into havana. the young families. the vintage american cars. as we get set for our exclusive interview with the president. also breaking this sunday night, the eruption of protests against donald trump from new york to arizona. a trump supporter arrested for assaulting a protester. trump's campaign manager caught on camera and tonight, trump fires back. images from the scene tonight. a police officer shot and

a young father less than three years on the job. a second officer wounded under fire while serving a warrant. and as spring arrives, the winter storm warnings for millions as we come on the air tonight. up to eight inches of snow in some places. good evening tonight from havana, cubcuba, where history been made. president open landing in havana, the first president to visit cuba since coolidge in 1928. while we're here, we will have an exclusive visit with president obama, and he will meet with the cuban president, and speak directly to the cuban people first. in a televised speech. the cuban people are welcoming the first family with open

as many ask back home, how far will be president go with what he says, about a communist government and human rights? president obama landing here in cuba late today making history. just 90 miles from the u.s. he is the first president to visit cuba in 88 years. it comes a little more than a year after the president announced the u.s. would begin normalizing relations with cuba, a thaw decades after the cold war ended. when we sat down with the president the first time we asked him if this day was coming. will you visit cuba in your final two years as president? >> you know, i don't have any current plans to visit cuba. >> reporter: not ruling it out? >> well, let's see how things evolve. >> reporter: after that first interview, we brought you to cuba. driving to find the former u.s. embassy here, stripped of its title and shut down after fidel castro took power. at the time, cubans, aware of the growing tensions, lining up before the embassy could close to apply for american visas, the wait list months long.

first signs of the thaw. you can see the heavy security behind me, the officers on the corner here. we were here as members of the u.s. delegation arrived a short time ago, because there is great hope that this will soon become the u.s. embassy again. tonight, the embassy is now open again, and on his first night here, it will be among president obama's first stops. 11 million people live here, on average making just $20 a month. by some estimates, just 5% have internet access in their homes. and tonight, the people here are waiting for the american president. you talk to the young families here, and hear the same thing over and over. it's time. i ask yvette, 24, what she thinks of the president's visit. [ speaking foreign language ] she tells us we don't know exactly what will happen but i hope there is something is good and families can be reunited. a young father, andy, telling us

it's good that cuba and the u.s. can now get along. and reveals he has family he would love to visit in louisiana. the president will make an historic speech televised to the cuban people. and inside this merceria, a tiny store, i ask, will they be watching? and what if president obama offers sufficient -- tough words about what change must come. of course, she says. they'll be listening. on the streets here, scenes frozen in time. the american cars from the 1950s. when fidel castro took power in 1959, he shut down imports of american cars. 60,000 vintage cars still driven here. the cars, a symbol of an economy in slow motion for decades, still controlled by a communist government. and there are still arrests. dissidents who speak out about their own government.

president obama, aware of criticism from some back home, that the embargo should not be lifted. and we will ask him about that while here. but already, more americans are visiting. for cultural exchanges, simply coming for tourism is not yet allowed, flights from america will soon resume. there is a bidding war among airlines already. and tonight, starwood hotels and resorts just announcing they will renovate and operate three hotels here. more than half a century ago, cuba was a tourist mecca for americans. the nightclubs, the gambling. but now it's president obama's gamble. will restoring relations, and pushing for a more open economy, give cubans a new voice? as many americans back home wait to visit as tourists again, to see the culture frozen in time, and those american cars. we asked, with no american parts allowed in for decades, who fixes them and how? mechanics who improvise. a '53 plymouth.

in that car, now a mercedes engine. and we wondered how much of the car is original. [ speaking foreign language ] he answers with a smile, just the body and the transmission. rebuilding it all on their own. as an american president now arrives, many ask what will change here. and how far will he go in private with president castro and in public, before the cuban people. the president has already acknowledged that the embargo will not likely will lifted in cuba until the next president. our exclusive interview with the president tomorrow night. and abc news coverage of this historic visit gets under way. we'll be back from cuba a little bit later, with a letter arriving from the president before he arrived, and a message about a cup of cuban

but first, let's go back to new york and tom llamas. >> good evening. back here at home and the race for president. donald trump defending his campaign workers and supporters. a protester punched and kicked by a trump supporter as they were being escorted out on saturday night. trump's campaign manager again accused of a confrontation. here's mary bruce. >> reporter: it's the most violent confrontation yet. a protester at this trump rally is tucson escorted out when a trump supporter sucker-punches him, pulls him to the ground, and repeatedly kicks him. the supporter, arrested. but tonight, donald trump seeming to blame the man who was hit. >> these people are very disruptive people, george. these are not innocent lambs. >> but does that excuse punchi

>> well, you know, he or his partner was wearing ku klux klan outfit. this happened to be an african-american man who was very, very insensitive to the fact that somebody, a protester, would be wearing a ku klux klan outfit. >> reporter: fact is, the man who was punched was wearing a stars and stripes shirt. still, trump on "this week" says protesters share responsibility for the unrest. >> at what point do people blame the protesters? these are people that are professional agitators. >> so, you're blaming the protesters, not the person who actually punched and kicked the protester? >> no, i'm saying this, these are professional agitators and they should be blamed there, too. >> reporter: trump also defending his campaign manager, corey lewandowski, after grabbing a protester by the collar. watch again. lewandowski in the grey suit. >> i give him credit for having spirit. he wanted them to take down those horrible profanity-laced signs. >> reporter: this is the second time lewandowski has been accused of getting physical at a rally. he also allegedly grabbed a female reporter. but trump standing by his campaign manager, bringing lewandowski onstage at his last victory ce

now, trump was pressed today about his prediction that his supporters will riot if he do doesn't win the nomination. tom? >> mary, through. now to the spring storm and the winter blast. snow and ice covering roads illinois on this first day of spring. and weather alerts stretching from new jersey to maine. snow overnight, making a mess for the morning commute. here's rob marciano. >> reporter: a mild winter, but now spring brings a snowstorm. it's going to change as it moves to new york, new jersey, connecticut. heaviest by 7:00 a.m.

5 to 8 inches of heavy, wet snow expe expected. a significant storm. tom? >> rob, thank you. now to breaking news about a shootout in indiana that left a 27-year-old officer dead. that officer, a new father, less than three years on the force. a second deputy shot and wounded. gio benitez with the new detail us tonight. >> we got two officers down. we need somebody. >> reporter: you're listening to the moment two indiana deputies serving a warrant ended up in a gun battle. >> fired, county! >> we got shots fired. >> i've been hit. >> reporter: early this morning, around 12:30 a.m. 27-year-old deputy carl koontz and 35-year-old sergeant jordan buckley, coming face to face with a gunman when they went into a house. the deputies returning gunfire, but it was too late. koontz, less than three years on

the force, dying from those wounds. buckley is still recovering. >> they got inside the residence and they were met with gunfire. we plan for it, but you're never truly prepared for it, if it is wholly unknown to us. >> reporter: the alleged suspect is dead tonight. his identity has not been released. and tom, we don't know exactly what the warrant was for. we're told it has something to do with drugs. and now one officer has lost his life because of it. tom? authorities say salah abdeslam was planning to launch another isis-inspired attack like the one in november. according to police, he was not acting alone. alex marquardt in brussels tonight.

>> reporter: tonight the lone surviving terrorist of the paris attacks is allegedly divulging disturbing details to interrogators. admitting, according to belgium's foreign minister, that he was planning more attacks. the claim backed up by the large weapons cache found in a raid on tuesday. the minister saying he clearly had a strong support network helping him hide. but his lawyer told a belgian newspaper that after the arrest, abdeslam is "frightened and weak." european officials have warned that the threat of more attacks is as high, or higher, than before paris. the question now, what more can abdeslam reveal? >> this gives the belgian and the french authorities the opportunity to ierrogate him, find out more about who else he may have been working with. find out more about how he carried out these attacks and the connections back to the islamic state. >> reporter: abdeslam is now fighting extradition to france, his lawyer said today they will take legal action against the paris prosecutor for revealing details about the interrogations. he is due to make his first

court appearance here on wednesday. tom? >> thank you. next tonight, the investigation into the plane crash in russia, killing all 62 onboard. the debris field revealing just how difficult this investigation may be. here's david kerley. >> reporter: investigators are tonight investigating two black boxes recovered from flight 981. the devices are badly battered but have data that could explain why it crashed to the ground 6. and tonight, unconfirmed recordings posted on the internet purporting to be the tower talking to the pilot. asking air traffic control about weather conditions, circling the area for two hours. >> okay, thank you, and when you look out windows there, it looks better than before.

>> 9er-8-1, moderately. >> it almost looks like the pilot was visually trying to acquire the airport and was looking out the window, rather than relying on instruments. >> reporter: plane maker boeing, along with experts from the u.s. government, will aid the russians to trying to learn why this jet crashed. david kerley, abc news, washington. still ahead tonight, a mystery illness now in two states. and the death toll is climbing. what forced this school bus to plunge into a ditch? the dramatic effort to save passengers. and later, millions watching. the new reality stars of the internet. i'm mary ellen, and i quit smoking with chantix. i always came back to smoking. i was absolutely frustrated, absolutely. i did not think chantix would work as well as it did. along with support, chantix (varenicline) is proven to help people quit smoking. chantix reduced

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and the accident raising new questions about seat belt requirements on school buses. here's eva pilgrim. >> reporter: tonight, a high school basketball team recovering from a terrifying ordeal. their school bus run off the road and crushed in a ditch. >> i just closed my eyes. then a couple seconds later we were just in the ditch. >> reporter: this video recorded by another driver, capturing the chaos as students scramble to escape the mangled bus. >> we've got parents and cars all over the place. >> reporter: the griffith panthers on their way to a playoff game when indiana state police say a driver spilled a drink on herself, sideswiping the bus. >> when the bus finally slowed down and stopped flipping everybody was screaming. >> reporter: all 27 passengers rushed to the hospital, including an assistant coach airlifted to chicago. there were no seatbelts on that bus, once again raising the issue. look at this rollover crash, simulated by one of the largest providers of school bus seat belts. kids who aren't buckled in go flying. right now only s

require seat belts, but the national highway traffic safety administration wants to change that. tom, the biggest hurdle, the cost. the government estimates it'd take $2.5 billion to make sure every child is buckled up. tom? >> thank you. when we come back, the close call on a golf course. and the birds' eye view. the proud parents, and the big surprise. deal with high... it's like to and low blood sugar. januvia (sitagliptin) is a once-daily pill that, along with diet and exercise, helps lower blood sugar. januvia works when your blood sugar is high and works less when your blood sugar is low, because it works by enhancing your body's own ability to lower blood sugar. plus januvia, by itself, is not likely to cause weight gain or low blood sugar (hypoglycemia).

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an emergency landing. the small plane nose-diving on to a golf course after the engine stalled. the young pilot getting praised for landing in the open space, away from nearby homes. an update on the famous feathered family. now, the new chick has a second sibli sibling, hatched this morning as thousands watched. the public may get to vote on what to name them. when we come back, david takes us back to havana. the letter the president send before leaving, a message about a

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air force one landing here in ha have that. a much different entrance last time. president calvin coolidge, sailing into havana on a battleship. the only other sitting u.s. president to visit here. it was 1928. his wife, grace, arm in arm with the cuban president. the cheering crowds, leaning from balconies, welcoming coolidge. a reporter, writing in "the new york times" back then saying, "his face was full of smiles." the streets, then and now, lined with cuban and american flags. and tonight, president obama, smiling too. he sent a letter this past week, one of the first direct letters to arrive here in decades. the president writing to a cuban woman. ileana yarza, who has written the president before, sharing her happiness at the president "taking this much needed step." inviting him for coffee. opening the manila envelope in her havana home. the usa/cuba direct stamp in the corner. the president writing back, "hopefully, i will have time to enjoy a cup of cuban coffee."

even on a playground, aware of the history. we have not forgotten the children here. the soccer game beyond the fence. robin, telling me, it will be great. thanks to them, we are going to have a better economic situation. and i asked them if diplomatic ties with the u.s. is a good idea. [ speaking foreign language ] >> si. >> si. >> reporter: the children, raising their hands to the future. that's "world news tonight" from cuba. thank you for watching. much more of our coverage tomorrow morning on "good morning america" and right here on "world news tonight." our exclusive interview with the president, tomorrow night. for tom llamas back in new york city, i'm david muir here in havana, cuba. i hope to see you right back here tomorrow. good night.

we need women in congress. if we want to be heard, it was the women who forced republicans to include women's health and contraceptive coverage in the affordable care act. in congress, i'll fight for pay equity, family leave and tougher gun safety laws. and, as an environmentalist, i'll work combat climate change. i know as a journalist and as a senior executive in business that when women are at the table, we get things done. i'm kathleen mathews and i approve this message.

now, we areght tracking three stories. right now, president obama is making history in cuba. and just heartbreaking -- there were hugs and cheers -- one week after a police officer was shot to death outside his lease station, the special tribute under way now. and another newborn for the district, a look at the new for a laste embrace blast of winter on this first day of spring. the news starts now. announcer: now, abc seven news at 6:30 on your side. kimberly: good evening. is it winters