Major update after 5 teens killed in M9 crash as family in second car in 'serious' condition

Five teenagers died in a head-on collision on the M9 motorway in Ireland after driving their vehicle the wrong way. Reports indicate the group had previously bragged online about driving against traffic to evade gardaí and were suspected of car theft. A second car, carrying a family travelling to a UK wedding, was involved; the four survivors remain in serious condition. Irish police have reported a breakthrough in the investigation as tributes are paid to the deceased.