The public have been warned not to approach a 'violent' 14-year-old boy who is wanted by police on suspicion of robbery and criminal damage.

Billy O'Brien, who is from Orpington, is also wanted on suspicion of burglary, public order offences and breach of court bail.

Police said he is known to be violent and that the public should not approach him.

He is known to frequent areas of south-east London and is believed to be in Southwark.

Billy is aware that he is wanted and police have issued an appeal for anyone with information on his whereabouts to contact them.

Call Crimestoppers anonymously on 0800 555 111 or call police on 07584 461304.

Alternatively email RG-ProactiveUnit@met.pnn.police.uk or tweet @MPSGreenwich.