Mel Gibson could face four years in jail for hitting his ex-girlfriend Oksana Grigorieva as it was revealed a domestic violence allegation is likely to be filed against him.

Gibson has been accused of breaking two of Oksana Grigorieva’s teeth during a fight when they lived together in Malibu, California.

Oksana Grigorieva’s claims that Gibson hit her as she held their two-month-old baby, Lucia. She said: “I was scared for my life and my daughter’s. He punched me in the mouth, and the end of the blow brushed her chin.

“I went to the kitchen to grab my keys and he’s pulling a gun out of his shorts. I thought he would kill me.”

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Gibson will be charged with either a felony or a misdemeanour.

If he’s convicted of a felony, Gibson could end up in a state prison for four years. However, is he’s found guilty of a misdemeanour, the actor might receive a 12-month term in a county jail.

“The District Attorney (DA) has a very strong case, there is a lot of information that the public and Mel Gibson are unaware that the DA has,” a source told Radar.

While Gibson has confessed in a written declaration that he slapped Grigorieva during an argument because she was hysterical, he denies hitting her.