Actress Denise Richards says she knows what happened to her ex-husband, Charlie Sheen -- but she's not revealing details.
Police say they found Sheen, 45, drunk and naked in a trashed suite at New York's Plaza Hotel this morning. Sheen's representative said the actor was not drunk, but suffering from a severe allergic reaction.
Sheen was not arrested because nobody made a formal complaint against him, New York Police Commissioner Ray Kelly said.
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