Gardaí are appealing for witnesses to the collision, which occurred yesterday afternoon.
A man is in a serious condition in hospital following a crash in Offaly.
A minibus and a car collided on the N80 between Tullamore and Derryclune shortly after 3pm yesterday afternoon.
The driver of the car, a man in his 80s, was taken to the Midlands Regional Hospital Tullamore for treatment - his condition is understood to be serious.
The occupants of the minibus did not require treatment.
Gardaí are appealing for witnesses with camera or dashcam footage to come forward.
Anyone with any information is being asked to contact Tullamore Garda Station.