Mohammad Bagher Ghalibaf, Iran's parliament speaker, on Sunday warned the United States against a ground invasion , threatening to set American troops "on fire" and step up attacks on U.S. allies, according to Iranian official media. Ghalibaf said Iranian forces are "waiting for the arrival of American troops on the ground to set them on fire and punish their regional partners forever." "Our firing continues. Our missiles are in place. Our determination and faith have increased," he added. The