A 31-year-old man has been detained in connection with an assault at Templeton Woods in Dundee.
A female patient was taken to hospital with head injuries following the incident.
Her injuries are said to be non life-threatening.
Chief inspector Nicky Russell, area commander for Dundee, said: “I can confirm that a 31-year-old man has been detained in connection with an assault earlier today at 1.10pm at Templeton woods.
“A woman has been taken to Ninewells Hospital for treatment for a head injury.
“Her injuries are not life-threatening.
“There will be a high visibility police presence in the area while we continue with our enquiries.”
Police say the woods will remain cordoned off for the time being.
Vehicles were stationed at every entry point to the woods and a helicopter was circling over-head earlier today.
A Scottish Ambulance Service spokesperson said: “We received a call at 1.20pm hours today from Police Scotland to attend an incident near Clatto reservoir.
“We dispatched one ambulance to the scene.
“One female patient was taken to Ninewells Hospital.”