Matthew Fox Matthew Fox

Lost star Matthew Fox was taken into custody after allegedly assaulting a woman, reports.

Fox reportedly tried to board a private party bus early Monday in Cleveland, but he was denied access by the bus driver, Heather Bormann, who claims Fox retaliated by punching her in the chest and stomach. Bormann says she punched the actor in the face in self-defense and now plans to press charges.

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A police report quoted by TMZ said the punch caused a cut on his lip. Fox was detained by the police, but not formally arrested. He subsequently was taken to a hotel by a friend.

An e-mail to his rep was not immediately returned.