Gardaí are currently at the scene of a road traffic collision involving two vehicles that occurred at approximately 3am today on the Lanesboro Road near Ballymahon in County Longford.
The female driver of one of the vehicles involved was taken to Midland Regional Hospital Tullamore for treatment of serious injuries.
Two female passengers in the same vehicle were taken to Midland Regional Hospital Tullamore with non-life threatening injuries.
The road is currently closed with local diversions in place and Forensic Collision Investigators are expected at the scene this morning.
Gardaí are appealing for any witnesses to this collision to contact Longford Garda Station on 043 3350570,