A woman who was sexually assaulted in a city park met her attacker earlier in the evening, cops have revealed.

The force is now appealing for a woman who helped the victim after the attack.

The 29-year-old victim was sexually assaulted in Kelvingrove Park on Sunday at around 1.35am by a man she had met earlier that evening.

The suspect is described as white, aged 20 to 25 years of age and of medium build with long dark hair. He was wearing a white top under a dark bomber-style jacket.

Read more: Investigation launched after woman is sexually assaulted in Kelvingrove Park

Detective Inspector David MacGregor, of Greater Glasgow Division, said: “Enquiries are continuing into this sexual assault to establish more details on the circumstances and trace the man responsible.

“At this time, we are also keen to speak to a woman who came to the victim’s assistance on North Claremont Street at La Belle Place on Sunday morning at around 1.50am.

"The woman we want to trace could have information that is vital to our investigation. She is described as white and in her twenties with shoulder length curly hair. She was wearing a dark red coloured jacket and skirt.

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“Any witnesses, or anyone with information that will assist our investigation should contact Helen Street Police office through 101 quoting reference number 0675 of 2nd September 2018.”