Police want to speak to this woman who came to the aid of a man after he was assaulted and robbed at a petrol station in Mill Hill.

Officers believe the woman could be a crucial witness to the incident which happened at BP Petrol Station, Pentavia Retail Park, at approximately 6.20pm on Wednesday February 13.

The victim, who is in his mid thirties, was punched to thr ground before his wallet containing cash, credit cards and driving licence, was stolen. He suffered a cut to the face as well as bruising and swelling, and some of his teeth were chipped during the attack.

Anyone with information is urged to contact Barnet police on 0208 733 4510.