US President Joe Biden announced on Thursday that the leader of the terrorist group Islamic State (IS), Abu Ibrahim al-Hashimi al-Qurashi, died during an overnight raid by US military commandos in north-west Syria’s Idlib province. Biden said al-Qurashi detonated an explosive vest he was wearing as US forces approached, killing himself and his family, “in a final act of desperate cowardice.” The US had “removed a major terrorist threat to the world,” Biden said in a White House speech, adding that no soldiers had been harmed during the operation. Little is publicly known about al-Qurashi, who …