The United States has expressed concern after an attack on a US military base in Syria. “We certainly condemn the attack by an Iran-aligned militia group against US forces in Syria,” US State Department spokesman Matthew Miller said on Monday. Miller said he found it “troubling” that the attack happened hours after Iraqi Prime Minister Mohammed al-Sudani visited Washington. “So it seems clear that Iran has no respect for Iraqi sovereignty,” he said. “We have made quite clear to Iran, we’ve made quite clear to Iran’s proxy groups that we will defend our interests, we will defend our personnel, …