then we just covid 19 headlines. much more coming up at 4:00. world news tonight is next. tonight, breaking news. the deadly plane crash right into a neighborhood. the small plane smashing into homes and into a u.p.s. truck. the plane, the homes, the truck bursting into flames. the homes burned to the ground. emergency teams racing to help the victims. two seniors pulled from their home. what authorities revealed just a short time ago. also tonight, turning the corner on this pandemic. the boston marathon returns. and tonight here, news on the america covid pill, taken if you get covid. what merck now saying their data shows. also potential boosters for moderna and johnson & johnson. how soon could we hear from the fda. late developments on the that front. the travel chaos at u.s. airports tonight. a third straight day of widespread cancellations from southwest airlines.
will carr is there and will, i know you re learning more about the investigation, but about more about that u.p.s. driver? reporter: that s right, david. with authorities here, the big question tonight is why. you can see that u.p.s. truck, the charred remains behind me. it is right in front of those two homes. tonight, u.p.s. is offering its heartfelt broken heartedness for losing their employee. david? will carr, thank you. we re going to turn now to the pandemic and one more sign that america may be slowly turning the corner here, the return of the boston marathon and promising news tonight from drugmaker merck, submitting data to the fda. their pill and what data shows tonight. also news on booster shots from moderna and johnson & johnson. we could hear from the fda as early as this week. abc s trevor ault from boston while they cheered on the marathon runners today. reporter: tonight, a symbol of hope in a nation eager to turn the corner on the pandemic.
but u.p.s. confirming tonight the driver of their u.p.s. truck is among the dead. that plane crashing onto a u.p.s. delivery truck spreading fire right down that street. a number of vehicles and homes turned into fire balls. those victims pulled from their burning homes. the charred outline of what s left of those homes. authorities today describing it as a, quote, brutal scene. at least two people confirmed dead including that driver. two others taken to the hospital. abc s will carr leading us off, he s on the scene in california. a plane hit oh, my god. reporter: tonight, the urgent search and rescue playing out throughout the fierce flames and thick smoke. it shook my whole entire oh, my god, i got to get out of here. reporter: a small twin-engine plane slamming into two homes and a delivery truck. then exploding in a fireball just blocks away from a high school, in the city of santee, just outside san diego. looks like two houses on fire
they pulled the lady out and they had to knock the fence down to get the husband out. so, hopefully, it was only just those two people in the house. reporter: san diego sheriffs set up a perimeter as fire crews worked to douse the flames at two homes that were destroyed. several others may be damaged. a u.p.s. truck also took a direct hit. it happened in a neighborhood just blocks away from a high school. luckily, no students were hurt. fire officials say one of the deaths was someone on the ground, though no one in the homes affected was killed. the f.a.a. hasn t confirmed how many passengers were in the small cessna traveling from you meana, arizona, to san diego and now the n.t.s.b. will take the le i o donnell: thank you, lilia luciano. encouraging news in the fight against the pandemic. new infections, hospitalizations and deaths are trending downward. tonight the u.s. could soon have
deagen. it s a hub. look, there s a ups truck. i see a whole foods. just tells you people were not expecting this. you have presumably experienced drivers that can drive through almost anything probably. they even got stuck here. stretches for miles and miles. we ll see how they come in and how they remove this. my god, what some of these people must have been going through as the rain was coming down over them. those trucks, those are abandoned. that s not traffic behind you. those are people who had to abandon their cars last night. reporter: yeah. they had to abandon the cars and