Extra: Horror M9 crash and social media trend gardaí seem powerless to stop

The five teenage boys killed in a horror crash when their car was driven the wrong way on the M9 motorway were all aged between 15 and 18 years of age.Post-mortem examinations will now be carried out on the bodies of Joey Carthy (15) and Jack Kennedy (17) from Athy, Co Kildare; Alex McCarthy (17) and his cousin Jeremy O’Brien (18) from Carlow; and Kamil Pustkowski (17) from Limerick.The teenagers,…