A woman was dragged from a car, beaten up and then abandoned in a street at 3am by an attacker who drove off and left her.
The woman, who asked not to be named but agreed to be pictured, claims the assault happened after a night out with friends and the man who later attacked her.
She claims she met her attacker on an internet forum, reports Manchester Evening News.
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The woman, from Cheshire, was punched and it resulted in her needing hospital treatment.
The victim also made a formal complaint to the force as it has been five weeks since the incident and she claims GMP has not taken any action. She claims she provided the force with a name and details of the suspect.
Today a police chief apologised for delays in investigating the case and said a senior officer would be contacting the victim.
The woman's ordeal began on the evening of September 17 when she met friends for drinks at a venue in Worsley, Salford.
She had travelled with them from her home in Cheshire and had also invited a man she had been talking to online in a group chat.
The victim said: "I told him I was going to be at this gathering in Worsley and I said 'meet us there'.
"The evening was fine. I had a few drinks and he had a couple. He had booked a hotel locally but at the end of the night he said he would drive me home and my friends were returning to my house in another car. "
She added: "We left the place and went off walking to his car. He said he couldn't find it. We must have spent 15 minutes looking for it. I had a bit of a go at him saying 'how can you not know where you have put your car'.
"He told me to get an Uber. I said 'no, the least you can do is take me home. What kind of person leaves a girl alone at 2.30am?'."

They eventually found the car, which was near the venue where they had spent the evening.
The victim says they got into the vehicle but after driving only a short distance her date became aggressive and told her to get out of the car.
She said: "I was on the phone to my friend telling her we were heading back and he was being rude to her. He stopped the car, and was trying to grab hold of my legs. He then grabbed my hair. I came out of the car and said 'what the f*** do you think you are doing?'
"He then punched me a couple of times in the face. He hit me again when I was on the ground. He then drove off and I was in despair because my phone was still in his car being charged."

Unbeknown to the victim the attacker had hurled her phone from his car and a few minutes later she heard it ringing in the road where she had been abandoned.
She managed to call her friend who drove back to rescue her and she took selfies of her injuries at the time she was left - 2.50am on September 18.
She had been left in the driveway of Broad Oak Park Garden Centre on Worsley Road.
After being punched she needed hospital treatment for facial injuries.
The victim, aged 36, said: "I'm embarrassed. I should have known better than to jump in a car with a man I don't know.
"At the end of the day I have made some wrong decisions. But I don't think I took in the severity of all this at first. It has only recently dawned on me how horrendous this was."
A week after the incident, the victim claims the alleged culprit rang her up. She said: "He asked if I was okay. He said his actions were self defence. I said 'what, you dragged me out of of the car in the middle of the night'. He claimed he had never laid a finger on anyone. I told him he would be hearing from the police."
To recover from her ordeal the victim went to her parents' home in Yorkshire. She said a few days later she gave a three-hour phone interview to police in Yorkshire.
She said: "I later checked and found out that GMP had received that phone interview on September 23. Since then nothing has happened. It was soul destroying. I was prepared to let it go in the end because I was sick and tired of the police not doing anything. I lost all faith in them."
She made a formal complaint to GMP earlier this month.
Chief Superintendent Shaun Donnellan, of GMP's Salford division, said: "Firstly I would like to say that this was an absolutely horrific experience for the victim. She was assaulted after meeting friends on a night out, which is completely unacceptable and not something that anyone should have to be subject to.
"Whilst we originally made attempts to visit the victim in hospital, unfortunately she left prior to police attendance. We have since worked with colleagues in South Yorkshire to make contact with the victim where she was staying with her parents.
"In the process of transferring the crime back to GMP, delays were experienced which we sincerely apologise for.
"I would like to make it clear that we do not take reports of this nature lightly, and a senior officer will be in touch with the victim today."
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