POLICE are appealing for witnesses to an assault which left a teenager badly injured.

Passengers on a late-night bus could prove to be key witnesses to the assault on the 19-year-old from Brotton, east Cleveland.

The teenager boarded the number 62 bus, from Middlesbrough to Loftus, at Station Square, Saltburn, at 11.50pm on Saturday, October 21. He got off at Coach Road, Brotton, just after midnight, when he was attacked from behind.

Anyone with information is asked to call (01642) 302026