Seattle bus passengers tackle robber
21 December 2013 Last updated at 00:07 GMT
CCTV has caught the moment bus passengers in Seattle tackled a would-be robber.
Passengers originally seemed unaware of the danger until one man grabbed the assailant's gun. Other passengers then helped pin the robber down and he was later arrested.
Local media later reported that 19-year-old Trevonnte Brown has been charged with first-degree robbery.