US police have located Sinead O’Connor

Latest: Sinead O’Connor has been found safe after a daylong search.

A police spokesman said: “She was found safe and is no longer listed as missing or in danger.”

Earlier: Police in the US are investigating reports that Irish singer Sinead O'Connor may be missing.

In a statement, officers at Wilmette Police Department in Illinois say they are seeking to "check the wellbeing" of the troubled artist.

She has not been seen since going on a bicycle ride at 6am local time yesterday morning.

A caller to police expressed concern for her well-being.

According to a report on TMZ, she was last seen on a Raleigh motorised bicycle with a pink basket, and is said to be wearing a black parka jacket, black leather pants and a sweatshirt with "Ireland" on the back.