Officer to flag-burning RNC protester: 'You're on fire, stupid!'

(FOX NEWS)- Protesters outside the Republican National Convention burned American flags yesterday, leading to an extraordinary moment in which an officer shouted at a man who was about to go up in flames himself.

"You're on fire! You're on fire, stupid!" the Cleveland officer yelled at the protester, whose clothes appeared to be catching on fire.

Officers made 18 arrests, including this female flag-burner who was caught on tape.

She reportedly yelled "America was never great" as she was taken into a police van.

More From FOX NEWS.