Moore, who is going through a tough time in her personal life, allegedly lost her temper with the cameraman when she was approached for a picture. She is said to have hurled obscenities at the photographer before reportedly lunging at his camera, reports contactmusic.com.
The incident took place Friday.
"Demi was crazy; she was totally losing it. I was just standing on the sidewalk, trying to get a few shots of her and she was going completely mad. She tried to jump on me and swipe my camera," said the photographer.
The actress, it’s said, is in stress following reports that her marriage to Ashton Kutcher is falling apart.