DETECTIVES trying to identify a knife-wielding robber on the run for several weeks have released a CCTV image.

A man used a kitchen knife to threaten a worker at the BP garage in Edgington Way, Sidcup, before stealing cash and cigarettes. The incident happened at 5.27am on Monday, November 14.

The suspect is described as 6ft tall and aged about 30 with short, brown hair. He wore a blue and white jacket with a white stripe, and blue trousers.

Call Det Insp Peter Sturge on 020 8284 9966 or Crimestoppers anonymously on 0800 555 111 if you have any information.