A man's seriously ill in hospital after being found injured in a Bradford street.
The man, believed to be in his late 20s or early 30s, was found opposite the JCT600 garage in Sticker Lane at about 22:55 on Friday.
Police say he was taken to hospital where his condition is now "critical".
Det Ch Insp Sharron Kaye, said: “At about 21:50 on Friday police received reports of a topless man in jogging bottoms walking in and out of traffic in Sticker Lane.
“Our inquiries suggest he was in Parsonage Road and Westbury Street at about 21:30, so we are keen to speak to anyone who might have seen him at that time.”