A number of people have been taken to hospital following a two-car collision on the N56 between Termon and Kilmacrennan.
The collision took place at approximately 3pm on Saturday.
A garda spokesperson confirmed that drivers of both vehicles, and all passengers, have been removed to hospital, where they remain in a serious condition.
All of those hospitalised are female, aged in their teens, 20s, 40s and 60s.
The road is currently closed in order for Forensic Collision Investigators to carry out an examination of the scene. Local diversions are in place.
Subscribe or register today to discover more from DonegalLive.ie
Buy the e-paper of the Donegal Democrat, Donegal People's Press, Donegal Post and Inish Times here for instant access to Donegal's premier news titles.
Keep up with the latest news from Donegal with our daily newsletter featuring the most important stories of the day delivered to your inbox every evening at 5pm.