What to know

• Ella Hendricken, Niamh Kinsella and Alma Kinsella, along with a young boy, were seriously injured when a car struck their vehicle on the motorway last monthS1
• Ella Hendricken, Niamh Kinsella and Alma Kinsella were seriously hurt in head-on collision last monthS2
• The family had been heading to Dublin Airport for a holiday when they were struck by another car in the horror crash which left five deadS3