Police are appealing for information after a man was found injured in Bradford.
The man, who is believed to be in his late twenties or early thirties, was found opposite the JCT600 garage in Sticker Lane at about 10.57pm on Friday, 7 August.
He was taken to hospital where his condition has since worsened.
He is now in a critical condition and police are keen to establish how he came to be injured.
Detective Chief Inspector Sharron Kaye, said:
“At about 9.50pm on Friday police received reports of a topless man in jogging bottoms walking in and out of traffic in Sticker Lane.
“This man is now in hospital in a very serious way and enquiries are ongoing to establish what has happened to him.
“Our enquiries suggest he was in Parsonage Road and Westbury Street at about 9.30pm, so we would be keen to speak to anyone who may have seen him at that time.”
Anyone with information which may be able to assist the investigation is asked to contact Bradford CID on 101
The log reference is 2373 of 7 August.