Detectives are appealing for witnesses and information after a woman was attacked in Lewisham.
Police were called on Friday, 18 September, following a report that the woman had been raped at approximately 7pm in Forster Memorial Park, SE6.
The woman, in her early twenties, continues to be supported by specialist officers.
It is believed the victim and the attacker were known to each other.
Officers would like to speak with anyone who was in the area of the park at the time and who may have seen or heard something suspicious.
Detective Constable Vincent CS Chan, from the South East Command Unit, said: “We’re particularly keen to speak to a cyclist who may have witnessed the attack.
“We believe they could have vital information about what happened.”
A 16-year-old boy has been arrested on suspicion of rape. He has been released on bail pending further enquiries.
Anyone with information is asked to call police on 101 quoting reference 2846/19Sep20.