a new york gas station in custody what police are saying. the severe storms in the south flood evacuations and rescues, and more dangerous heat. we re tracking it all. donald trump entering his second not guilty plea in 24 hours, this time to new charges in the classified documents case the dramatic video, a ukrainian sea drone striking a warship in the black sea. our richard engel is standing by. simone biles back in action for the first time since withdrawing from the tokyo olympics and do you have your tickets more than a billion dollars up for grabs tonight. announcer: this is nbc nightly news with lester holt good evening, and welcome. we start tonight with breaking news. police in new york city restoring calm tonight after a riot broke out in manhattan s union square neighborhood. a crowd estimated at 2,000 people descended into the area after popular social media influencer kai cenat advertised a video game giveaway. the crowd appearing to be mostly you