A Toronto woman who was found dead over the weekend had suffered several serious blows to the head, police said on Tuesday.

Joanne Mitchell, 60, was found dead in a housing complex at 460 Jarvis St., near Wellesley Street, Sunday night.

A post mortem examination determined the cause of death as multiple blunt impact head injuries.

Mitchell is Toronto's sixth homicide of 2011.

Police are asking anyone with information to contact Detective Sergeant Brian Borg at 416-808-7400 or Crime Stoppers anonymously at 416-222-TIPS (8477).