A man has been arrested on suspicion of murder after the body of a man was found on a Birmingham street.
The body of the 20-year-old was discovered by a passer-by in Ellen Street, Spring Hill, on Monday morning.
A post-mortem examination has proved inconclusive and further tests would be undertaken, West Midlands Police said. Next-of-kin have been informed.
An 18-year-old man was arrested on Monday and was being questioned, a force spokesman added.
The area where the man's body was found would be cordoned off while further tests were carried out.
A specially-trained police officer is liasing with the family.