Partygoers are being warned to take care this weekend after a sexual assault near Falkirk town centre.
The victim was walking home from the High Street in the early hours of Sunday morning when the incident took place at Callendar Park View.
She was approached by a man, between 12.30 a.m. and 2 a.m., who then seriously sexually assaulted her.
Police are keen to stress it is an unusual incident but have urged people to take care if heading out this weekend.
Revellers have been advised to look after their belongings, not drink too much and ensure they have a designated driver to get them home at the end of the night.
Senior investigating officer Detective Inspector Hugh Louden said: “This is a very unusual occurance and I would like to reassure local people that Police Scotland are conducting a thorough investigation.
‘‘Additional officers are also carrying out extra partols in the area to keep people safe.
“Anyone who was in the Arnot Street, Bellvue or Callendar Road area at around 12.30 a.m. on Sunday morning, who hasn’t already spoken to police is urged to contact us.”
In particular, police are keen to speak to a man in his 40s of heavy build with a bald or shaved head.
He was wearing jeans and a light coloured jumper. He was last seen in the area of Callendar Park View at around 2 a.m.
Any information can be passed to police by calling 101 or Crimestoppers anonymously on 0800 555 111.