A 13-year-old girl has been sexually assaulted in Mottingham.

Lewisham Police us appealing for witnesses after the attack at the junction between Marvels Lane and Lambscroft Avenue at around 3.50am on Saturday (January 13).

Police said a man is alleged to have stopped the girl by grabbing her arm and proceeded to touch her inappropriately.

The suspect is described as in his 30s, with olive skin, dark hair and a stubbly beard. Police said he spoke with a foreign accent.

He was wearing a black hooded top and blue jeans; he was carrying a supermarket carrier bag.

Any witnesses or anyone with information is asked to contact Detective Constable Clare O’Brien at Lewisham CID on 07788 916864 or via 101.

To give information anonymously contact Crimestoppers on 0800 555 111 or online at crimestoppers-uk.org