Look out Madonna... Her convicted stalker is on the loose, and police are frantically searching for him.

Law enforcement officials say that Robert Dewey Hoskins walked away from the Metropolitan State Hosptial in Los Angeles back on February 3rd, and they are urging anyone who sees or comes in contact with him to contact police immediately.

Robert Hoskins had previously served a ten-year prison sentence for stalking and making criminal threats against Madonna. Authorites say that he is considered very dangerous when he is off his medication, so do not approach him.

In happier news, Madonna will be bringing her 2012 World Tour to the Air Canada Centre in Toronto, ON on September 12th.

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