ISIS sends chilling threat to World Cup as sick fanatics directed to ‘set fire to stadiums and cause a stampede’

ISIS has issued a chilling threat to World Cup fans, urging its loyal supporters to "set fire to stadiums and cause a stampede". Supporters of the terror group have been encouraged to carry out harrowing acts as millions travel to attend matches across the US. The horrific message said: "As for the field jihad, on...