Ashton Kutcher got into a violent melee with security at Stagecoach country music festival in Indio, CA -- after a security guard got physical with the actor and a fan ...
According to our sources, Kutcher was in the VIP area near the stage to check out Nick 13 and Dwight Yoakam ... when a woman approached him to say hi and shake his hand. We're told when Kutcher went to greet the woman, security intervened and shoved the two of them ... and chaos ensued.
Our sources say Kutcher and the security guard went at it, each violently shoving the other. Ashton's friends had to restrain him. We're told the guard demanded that Kutcher be ejected, but Ashton left on his own.
Eyewitnesses Say Ashton was NOT the aggressor.