VIDEO: Parents throw punches during Las Vegas graduation brawl

LAS VEGAS -- What was supposed to be a celebration turned into chaos when a bloody brawl broke out at a Las Vegas high school graduation.

The melee was caught on cellphone video. Parents were throwing punches before the graduates got to throw their caps.

The fist fight began over seating on what was supposed to be a happy day for 600 students.

The students eventually received their diplomas.

Watch the video above.