Trump vows to ‘retaliate’ after 3 Americans killed in Syria CTV NewsTrump vows ‘very serious retaliation’ after deadly ambush on U.S. military convoy in Syria CBCThree Americans killed by IS gunman in Syria, US military says BBC2 US service members and one American civilian killed in ambush in Syria CityNews WinnipegU.S. to ‘retaliate’ after 3 Americans killed in Syria CP24
