Beirut • Four Americans were killed in a suicide attack in Syria on Wednesday, the largest loss of life in the Pentagon’s war against Islamic State militants there and a sign of the potent threat that remains as the Trump administration begins to withdraw.
Officials said a bomber detonated an explosive vest as a group of Americans, including two service members, a Pentagon civilian and a U.S. contractor slain in the attack, met with local military officials at a restaurant in the northern city of Manbij.
Three additional U.S. service members were wounded, U.