Stanford University student Brock Turner, who was charged this week with five sexual-assault charges for a Jan. 18 on-campus incident involving a woman unaffiliated with the university, acknowledges in a police report some sexual contact but is denying the alleged rape.

Turner, a 19-year-old freshman from Ohio and star swimmer at Stanford, was arrested early in the morning of Jan. 18 after two students riding their bikes near the Kappa Alpha (KA) fraternity house on Lomita Court said they noticed him on top of the woman.

The two students at first thought it was "just a guy and a girl hooking up" but then noticed the woman was unresponsive and not moving while Turner "thrusted" on top of her, according to the police report. They said they approached Turner, who got up and ran away. One of the students chased him while the other checked the woman, who remained unresponsive but breathing. The woman was transported to Santa Clara Valley Medical Center in San Jose and regained consciousness hours later.

One of the students tripped Turner and pinned his arms down while the other held his legs down until police arrived, according to the police report.

When police arrived, they found the woman lying on her side behind a Dumpster between the KA fraternity house (664 Lomita Court) and Jerry House (658 Lomita Court). Her dress was pulled up to her waist, and her underwear was wadded up on the ground about half a foot away, according to the police report. There was also an open beer can nearby, according to the report. As two police officers checked the woman, a man told them, "They have him pinned down over there."

One officer asked who and what he was referring to and he responded, "They said it was the guy who did that" and pointed to the unconscious woman.

The police officers found the two witnesses restraining Turner about 25 yards away, with one straddling him, holding his arms down and the other sitting on top of his legs.

Police detained Turner, who smelled strongly of alcohol, according to the report. The officer who wrote the report said Turner's "pants seemed to be disheveled around his crotch area. ... He had dirt on his face and shirt as if he had been in a physical struggle."

At about 4:15 a.m, the woman woke up at Valley Medical Center and was asked if she would be willing to go through a Sexual Assault Response Team (SART) procedure – often referred to as a rape kit – and she consented, according to the report. She did not remember having any sexual interaction, she told police.

She told police that she is not a Stanford student and had come on campus earlier in the evening with two friends, one a Stanford student. They had gone to a party at Kappa Alpha, where she only drank beer, she said. She went outside with a friend to urinate and remembers going back into the house afterwards. She told police she didn't remember being alone with any man the entire night.

Turner said he had been at the Kappa Alpha party since about 11 p.m. He met the woman later on in the night and at that point, he said, he had already consumed about seven cans of beer and some whiskey. Turner and the woman drank beer together and started to kiss, he told police. The beer had been provided by a friend, according to the report.

Turner said he and the woman walked away from the house holding hands, and they ended up on the ground kissing. He took off her underwear and fondled her, he said, while she rubbed his back with both hands. He said that he consciously decided to engage in sexual activity with her and that "she also seemed to enjoy the activity," the report reads.

The woman said she does not remember kissing anyone or walking away from the fraternity house other than when she left to go to the bathroom with a friend. She said she did not consent to any sexual activity or touching.

Turner said he didn't know the woman, did not get her name and wouldn't be able to describe her.

"He stated that he would not be able to recognize (the victim) if he saw her again," the report reads.

Turner stated that he never took his pants off and that they did not have intercourse.

He said he started to feel unwell, so he got up and was suddenly tackled by a "group of guys." He denied running away from them.

Turner told police his "intentions were not to try to rape a girl without her consent."

"He just wanted to 'hook up' with a girl," the report states.

The Santa Clara County District Attorney charged Turner on Tuesday with five felony counts: rape of an intoxicated person, rape of an unconscious person, assault with the intent to commit rape, sexual penetration of an intoxicated person and sexual penetration of an unconscious person. He is scheduled to be arraigned Monday in the Palo Alto Courthouse.

Turner has since withdrawn his status as a Stanford student and is not allowed on campus or to re-enroll.