German police release description of gym attack suspect

A member of the forensics team inspects the gym (dpa via AP)

German police have released a description of a suspect wanted in connection with a knife attack at a gym in the western city of Duisburg that left four men seriously wounded.

Police said that witnesses interviewed after the attack late on Tuesday described the man as being about 30 years old, 5ft 11in, of normal build and with a long black beard.