"This was an ISIS attack on us and Syria," he told reporters. "We mourn the lost and we pray for them and their parents and their loved ones."

US President Donald Trump on Saturday (local time) pledged "very serious retaliation" after an ISIS gunman killed two US soldiers and one civilian interpreter in an ambush in Syria, calling the attack a strike against both the United States and Syria.

Speaking at the White House, the president described the victims as "three great patriots" and characterised the incident as an assault on both Washington and Damascus. Read More

"This was an ISIS attack on us and Syria," he told reporters. "We mourn the lost and we pray for them and their parents and their loved ones."

Asked if the US would respond, Trump was unequivocal: "Yes, we will retaliat

See Full Page