Police are searching for a man who fled from a mental health facility in Beckenham - with people asked to call 999 if he is seen.

Abderrahmane Ariba, 30, was last seen on the morning of Sunday (July 21) at 9:30am on an escorted walk.

Police believe the 30-year-old has travelled to the areas of Marble Arch in Westminster or Croydon in south London since his last sighting.

He is described as five feet and five inches tall and of large build.

He was last seen wearing a blue polka dot T-shirt, black tracksuit trousers and black trainers.

Police are conducting extensive enquiries to locate him and the public are being urged to call 999 if he is seen and not to approach him.

Anyone with information on his whereabouts should contact police on 101 quoting the reference CAD 441/22Jul.