Police have sealed off a street in Cheetham Hill after a woman was punched in the face then raped.
Officers have cordoned off Chatley Street, at the junction of Cheetham Hill Road, close to the back of a Ladbrokes bookmakers.
It is believed police have been at the scene since 4am this morning.
Forensics officers are currently combing the area for evidence.
A Greater Manchester Police spokesman has confirmed a woman has been assaulted and they were investigating.
No further details of the incident have yet been released.
A warehouse worker in the area said:
The culprit is said to be in his mid 40s, around 5ft 8 inches tall, of medium build with dark hair and a full beard.
He was said to be wearing a brown jacket and dark coloured pants and was driving a dark coloured car.
An investigation was launched and detectives are now appealing for witnesses.
Police say they were called to the junction with Chatley Street at around 4am after reports a woman has been assaulted.
They discovered a 51 year-old woman who is believed to have been approached by a man, who punched her in the face before raping her.
There’s a parade of shops on Cheetham Hill Road but the area is mainly made up of industrial units, most of which were shut at the time.
One nearby office workers says:
Two plain clothes officers carrying notepads made brief visit earlier however it’s understood investigations at scene are complete for now.