Gardaí in Mayo are appealing for witnesses to a serious crash in Swinford.
It happened at Armstrong's corner on the Foxford to Ballina road at around 9.20pm last night.
One of the drivers, a woman in her 50s, was seriously injured in the crash, while the other driver was treated for non-life threatening injuries.
Anyone with information is asked to contact Swinford Garda Station.