TACOMA, Wash. (AP) — A 49-year-old Tacoma man has been charged with murder for allegedly beating his mother to death with a liquor bottle.

The Seattle Times reports Sebastian Samuel Levy-Aldrete pleaded not guilty Thursday in Pierce County Superior Court.

Court documents say Levy-Aldrete called 911 early Monday and reported that his mother, Maria Aldrete-Levy had been killed in her secured apartment by an intruder.

Police say Levy-Aldrete claimed he woke to the sound of his 77-year-old mother screaming, ran toward her room and tried to grab a person who escaped.

Prosecutors say police did not believe the son's account partially because he was sweating profusely, seemed nervous and had cuts on his face.

Police say a broken, jagged bottle of liquor was on the floor near her body.

Prosecutors say Levy-Aldrete's two sons were apparently sleeping in a room nearby during the slaying.

He's being held on $2 million bail.

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Information from: The Seattle Times, http://www.seattletimes.com