– DI Michael Murfin from the Met's Sexual Exploitation and Child Abuse Command
Were you in or around Streatham Common Southside during the morning of Monday 9 September or in the time leading up to or after the attack and did you see a man fitting this description?
He was wearing gloves and a thick puffa jacket which may have made him stand out.
It is possible that he may have been seen in this area in the days before the attack or maybe even approached other women. If you saw him or he approached you please do get in contact with us.
Anyone with information should contact the investigation team on 020 8649 2419 or alternatively contact Crimestoppers anonymously on 0800 555 111.
The police are appealing for information or witnesses to an attempted sexual assault in south west London.
The attempted sexual assault took place at around 11:45am on Monday in Streatham Common Southside.
The victim, a woman aged in her 30s, was walking from her parked car when a man approached her and stated that he had a knife.
He walked her into a quiet area of the common, pushed her to the ground and attempted to sexually assault her.
She managed to prevent the attack and immediately called police.
Police are asking for the public's help in identifying the man who is described as a white man, approximately 5ft 6 inches tall and of stocky build.
He has brown mousy hair and stubble and was described as wearing gloves, a hooded black puffa-style coat, a navy jumper, white t-shirt and black jeans.