A horrific crash on a motorway has resulted in four fatalities and left four others, including a child, seriously injured. The incident occurred when a vehicle was travelling in the wrong direction. The victims who died were three young women who were en route to Dublin Airport. The injured passengers, including a child, were also travelling to the airport at the time of the collision. Authorities are investigating the cause of the crash and how the vehicle came to be driving against traffic. The motorway was closed for several hours following the incident, causing significant disruption.