The Scottish Sun has reported that police have swooped on a running track at Merkland Outdoor Centre on Merkland Drive. The attack happened around 9pm.
It was reported to police last night (Monday, April 22) and the area was cordoned off.
A spokeswoman for the force told the newspaper: “Police are investigating reports of a sexual assault on a 35-year-old woman at around 9pm on Sunday.
“It was not reported to police until 9pm on Monday evening. Enquiries are ongoing.”