A schoolboy was sexually assaulted in Willesden Green on Wednesday (January 11), police have said.
Metropolitan Police said at around 3.50pm the 12-year-old boy was approached by a man in Park Avenue.
Officers said the man persuaded the boy to go to an address in nearby Griffin Close before sexually assaulting him.
The man has been described as southeast Asian in appearance, in his mid 20s, around 5ft 4ins tall and with a slim build.
He was wearing a grey coloured beanie type hat, a light green coloured long sleeved top, grey coloured trousers and was pushing a bicycle.
Detectives from the Sexual Offences, Exploitation and Child Abuse Command are investigating and appealing for witnesses who may have seen a man matching the description in the areas of Park Avenue and Griffin Close.
Anyone with information on the incident should call detectives on 020 8733 5009 or police on 101.
To give information anonymously, Crimestoppers can be contacted on on 0800 555 111 or visit crimestoppers-uk.org.
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