Flight attendant gets two front teeth knocked out by passenger

A Southwest Airlines flight attendant had her teeth knocked out by a passenger in a sickening attack captured on camera. 

Video shows the passenger repeatedly punching the attendant on a flight from Sacramento to San Diego.

Another passenger stepped in to come to her aid, and moments later, the flight attendant was seen with blood smeared across her battered face. 

Witnesses say it started after the passenger took off her seatbelt after landing. The flight attendant told her to keep it on while the plane was taxiing. 

Passenger Michelle Manner shot the video.

“It’s just sad to me that America is so frustrated right now. People don’t want to be told what to do,” Manner said.