Chael Sonnen allegedly threw a woman into a light fixture and struck her -- causing her to bleed from her face -- during a wild fight in a Las Vegas hotel in December 2021 ... according to new police documents, obtained by TMZ Sports.
In the docs, officers from the Las Vegas Metropolitan Police Dept. say they responded to the Four Seasons Hotel on Dec. 18 regarding an alleged fight between Sonnen and several other people, including security guards.
Cops in the documents say a Four Seasons Engineer told them the altercation all started as he was coming out of a room.