Police and ambulance crews are on site of a two-vehicle collision on A965.
The incident happened on the road between Kirkwall and Stomness on the island at around 7.30am today.
A police spokesman said: “We received reports of a collision involving two vehicles at 7.30am this morning.
Police Scotland are currently dealing with a road traffic accident on the A965 between Kirkwall and Stomness. The road is currently closed in both directions. There are diversions in place via Hatston.
“Police and ambulance teams are on site.”
The road remains closed and motorists are asked to choose alternative routes.