reckless endangerment and reckless operation of a drone. it was seen floating into the stadium from the east before slamming down into an occupied area of the stands. the match had to be halted as the authorities investigated. jean casarez is here with more. we're lucky there were no people sitting in the seats. >> i know it. picture this, last night u.s. open, louis armstrong stadium in queens, new york. the u.s. open, right? it's going on and all of a sudden this drone hits in the southwest area of the stadium. luckily, as you can see, where no one is sitting. we don't know the weight of that, but what if it hit somebody, right? >> or the tennis players. >> they had to stop the game. panetta actually won the match. she said afterwards she thought it was a bomb. she told the associated press with everything going on in the