Judge calls for knife laws to be changed after barbaric murder

A judge has called for changes in the law to prevent fearsome machetes and swords ending up in the hands of young killers as he jailed four of them for life. The masked youths, aged between 17 and 19, hunted down Mohammed Hassan, 17, just days after filming a rap video in a graveyard to taunt their rivals. They were armed with weapons freely available online and on the High Street including a terrifying 27 inch ‘Ninja’ sword. Passing sentence…