NBC helicopter crashes in LA, killing at least threeAn NBC News helicopter crashed in Los Angeles on Tuesday, killing at least three people and sending two others to hospital. The crash occurred while the team was covering a deadly bus collision, which killed at least two people.Video Duration 00 minutes 44 seconds 00:44Video Duration 01 minutes 05 seconds 01:05Video Duration 01 minutes 01 seconds 01:01Video Duration 01 minutes 05 seconds 01:05Video Duration 00 minutes 44 seconds 00:44Video Duration 01 minutes 13 seconds 01:13Video Duration 00 minutes 41 seconds 00:41