roll. >> he's arresting me. >> when we responded to this rollover accident, this is when our crew caught this scuffle on camera. a driver of a chula vista fire engine put into cuffs by chp. we're told this happened when he refused to move his engine truck from the freeway during this accident. >> all right. this is south of san diego, chula vista, so obviously a serious accident. the guy, the firefighter is trying to treat the guy. the cop says your truck is blocking traffic, move it and they arrest him. what happened? >> so ridiculous. did you see that white car? overturned. the victim with the whole neck thing going on. another fire truck -- there were only three, had just been sent away to help victims in another accident. now they're down to two and this cop removes one of the two. this guy was administering aid to the victim of the car crash. >> so what happened to the firefighter? what happened to the cop? >> his fire truck was in the fast lane and the cop wanted him to move it.