A 20-year-old model has jumped to her death rather than be raped by an estate agent and his friend after the pair locked her in an apartment during a holiday.

The young university student and model, Gulay Bursali, had wanted to go to Istanbul with her boyfriend, identified only as Engin O.

The young couple, both Turkish, had asked a property agent if there was an empty apartment they could rent for the weekend, and managed to get the keys to a house in the district of Basaksehir.

Gulay Bursali, 20, is believed to have jumped to her death rather than be sexually assaulted during the ordeal

The university student was allegedly attacked by the estate agent who had organised the Istanbul apartment she and her boyfriend were staying in

According to the boyfriend’s statement to police, the estate agent had tricked his way inside by claiming he wanted to get some things from the apartment, before he attacked by Ms Bursali and her boyfriend

But after partying with friends in a local bar, they went back to the flat where they ended up being attacked by the estate agent.

According to the boyfriend’s statement to police, the estate agent had tricked his way inside by claiming he wanted to get some things from the apartment.

Once inside, the estate agent and a friend beat him up, confiscated his phone and locked him inside one of the rooms.

They then locked the young woman in another room, and stripped her naked before she managed to open the window and climb outside, threatening to jump unless they let her go.

Eyewitnesses said they had seen the naked young woman hanging out of the window.

One man told a local broadcaster: 'I heard somebody screaming help, and I thought maybe it was just someone messing around. Then I saw naked girl hanging out of the window.

'She was yelling don't pull me inside, if you try to pull me inside I will jump. Those inside were shouting at her to come inside, saying they were going to call the police.

'But she wasn't interested, I heard her threaten them two more times to say that she would jump, and was calling for somebody to help.

'I didn't say anything, I felt if she moved even a bit she was going to fall and that was why didn't say anything. I just called the police. While I was doing that, she jumped.'

The boyfriend who was freed from the flat and quizzed has now been released and police are looking for the estate agent and his accomplice.