Police are attempting to trace the owner of a severed finger which was found outside a block of flats.
It was discovered in a parking area in Lower Bannister Street, Southampton, Hampshire, on Saturday morning.
Officers said a man lost the finger while trying to climb a fence and they are concerned he might have lost a lot of blood.
A Hampshire police spokesman said: “Investigations have found a man lost the finger in an accident while trying to climb a fence after getting trapped in a courtyard area.
“However he wandered off after being given a towel by a resident.
“Officers are concerned for his welfare due to the trauma of what happen and as he appears to have lost a lot of blood.
“Anyone who thinks they know who the man is should contact us on 101 and seek medical assistance for him.
“We’d also like to hear from anyone who saw where he went after the incident. It’s believed the man had been drinking prior to the incident.”