The N13 Letterkenny Derry Road has been closed at Killyverry near Newtowncunningham following a two car collision just before 10 o'clock this morning.
We understand there are injuries, but no further details are available. Emergency services are at the scene.
Donegal County Council says diversions are now in place in the road.
Traffic coming from Inishowen and Derry is being diverted from Newtowncunningham to St. Johnston to Lifford to Letterkenny, and traffic from the Letterkenny direction is being diverted via Lifford to St. Johnston to Newtowncunningham.