It has been reported that the woman who died in a road crash in Co Monaghan was pregnant and from the Dublin area.
The 39-year-old woman is understood to have been travelling in a car with her husband who is one of three men injured in the crash.
Two other men - aged 27 - were killed at the crash in another car, while a man, woman and two children were unharmed in a third car.
The three-car collision happened at around 7pm last night on the N2 Dublin Road near Carrickmacross.
Two of the three men who were injured are in a critical condition.
The road remains closed with diversions in place while a technical examination is carried out.