Police have released an efit of a male they would like to trace after a woman was sexually assaulted in Wandsworth.

Officers released the image after a woman in her 40s said someone tried to pull down her trousers while she was running in the heath on Putney Lower Common at about 9pm on June 19.

She pushed him away and was not injured before he walked toward the Horne Way estate.

The man was white, aged about 16, with mousey brown hair which was cropped at the side and slightly longer and spiked on top.

He was wearing blue knee-length tracksuit trousers, a blue vest, grey jumper tied around his neck, white Converse shoes and diamond stud earrings.

Anyone with information should call police on 020 8721 4128 or Crimestoppers on 0800 555 111.