Cameras were rolling for former President Donald Trump's speech at a campaign rally in Butler, Pennsylvania, on Saturday when gunshots rang out, providing footage of the moments Secret Service agents swarmed Trump and rushed him offstage.
The former president was seen to have blood on his ear and face, but is said to be safe after the incident.
The shooter and a spectator at the rally are confirmed dead, and two other spectators were critically injured.
Follow live updates on the incident here.
Get Tri-state area news delivered to your inbox.> Sign up for NBC New York's News Headlines newsletter.