IRISH singer Sinead O'Connor has gone missing in America, according to a report from celebrity gossip website TMZ.
O'Connor, who has spoken openly about her battle with depression, is said to be missing in Chicago, and police have reason to believe she's a suicide risk.
The TMZ report states: "The singer went out on a bicycle ride Sunday around 1pm in the Chicago suburb of Wilmette, and has not been seen since. Someone called cops to report she hadn't returned from the bike ride ... and officers are now searching for her."
O'Connor is being classified as "missing suicidal."