Two men have been rushed to hospital after an early morning crash on the A95.
Fire crews were called along with police and the Scottish Ambulance Service and two men were reportedly freed from their vehicle using cutting equipment.
They were later taken to hospital for treatment.
A second car crash occurred a short time later in the same area near to Boat of Garten.
Police say investigations are now underway to establish if the two incidents are linked.
The road remains closed with local diversions in place and Traffic Scotland have issued advice to drivers.
Sergeant Neil Macdonald from the Road Policing Unit at Dingwall Police Station said: “Our enquiries are ongoing into two crashes that took place on the A95 near to Boat of Garten in the early hours of Sunday 14 May.
“Each crash resulted in one car leaving the roadway. The first report was received around 3.10am
“Officers attended and two men were taken to hospital. The road is currently closed.
“Enquiries are ongoing to ascertain the exact circumstances surrounding each crash and to establish if they are linked in any way.
“We would urge anyone with information or any drivers using the road at the time who have dash-cam footage to contact us through 101 quoting reference number 0729 of May 14.”
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