Peterborough murder suspects released on bail
Three men arrested on suspicion of murder over the death of a man at a flat in Peterborough have been released on police bail.
Post-mortem tests failed to find a cause of death of the unnamed victim in Lincoln Road on Thursday morning.
The three men, who were arrested at the scene, were bailed until Tuesday.
Police said further tests would be carried out to find the cause of death, which is being treated as unexplained.