Three teenage boys and a teenage girl have been arrested on suspicion of murder following the discovery of a body in Peterborough.

Cambridgeshire police said the body of a man in his 20s was found in an underpass near Tyesdale, Bretton, shortly after 1.20am on Wednesday.

The death is being treated as murder.

Three boys, aged 15, 16 and 17, and a 16-year-old girl have been arrested on suspicion of murder and on Wednesday night were in custody at Thorpe Wood Police Station.