Wilmette Police Department in the state of Illinois in the US has confirmed it's investigating reports musician Sinead O'Connor is missing.
In a statement officers say they're seeking to 'check the wellbeing' of the singer.
She hasn't been seen since going on a bicycle ride at six am local time yesterday morning.
Sinead O'Connor went for a bike ride in Wilmette at 6am local time yesterday and hasn't been seen since. pic.twitter.com/CBfpvttq0a
— Today FM News (@TodayFMNews) May 16, 2016
A caller to police expressed concern for her wellbeing.