Martinez, Aubry Involved in Serious Brawl

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Halle Berry's ex-boyfriend Gabriel Aubry and her fiancé Olivier Martinez were involved in a Thanksgiving altercation that turned physical, with Aubry having to be transported by ambulance to the hospital due to injuries, ET confirms.

Cops responded to a 9-1-1 call at 10 a.m. at Berry's house, and according to police sources, the fight broke out when Aubry was dropping off his daughter with Berry, Nahla, 4, to Berry's house for Thanksgiving. Aubry reportedly initiated the altercation and was arrested for misdemeanor battery.

Related: Halle Berry & Gabriel Aubry's Custody Battle Heats Up

He was booked Thursday and has since been released from custody.

Related: Berry -- My Love for Olivier Was 'Gradual'

Just Wednesday afternoon, Aubry, Berry, Martinez and Nahla were all seen together attending a pre-Thanksgiving party in Los Angeles.