Gardaí and the emergency services are at the scene of a serious accident on the N15 near Barnesmore Gap.
Three people have been taken to Letterkenny General Hospital, one with serious injuries, following a two-vehicle collision.
The crash occurred at around 2.45pm at the foot of McGrory’s Brae, between the old school and The Roadhouse Bar, a garda spokesperson confirmed.
The road is closed and diversions are in place. Northbound traffic is being diverted via the Derg Line while southbound traffic is being diverted via Glenties.