Police in Chicago have issued a missing person alert for Sinead O'Connor 3 years ago

Police in Chicago have issued a missing person alert for Sinead O'Connor

It is being reported that singer Sinead O'Connor has gone missing in the United States.

TMZ report that the Irish musician had gone on a bike ride in the suburb of Wilmette in Chicago at around 10am local times and has not been seen since.

The police have reportedly issued an alert of 'missing suicidal' on the 49-year-old.he 49-year-old.

O'Connor, who has been vocal about her mental health struggles, was last seen on a Raleigh motorized bicycle with a pink basket.

She was wearing a black parka and black leather trousers when she was last seen.