POLICE have launched an appeal following a robbery on a bus travelling from Dudley to Oldbury.

A teenager was threatened before he handed over a piece of jewellery to two thieves - who then got off the number 12 bus.

The robbery happened when the bus was travelling on City Road in Tividale at about 3.20pm on Monday, December 7.

Officers would like to speak to the two men in the CCTV image following the incident.

If you recognise the men in the image, people can message officers via live chat at www.west-midland.police.uk, 8am to midnight, or call 101 at anytime.

Alternatively, to tell police what you know, not who you are, call Crimestoppers anonymously on 0800 555 111, quoting the crime reference 20SW/304267R/20.