Updated on: March 29, 2026 / 8:55 PM EDT / CBS/AP Add CBS News on Google 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 Iranian parliament speaker also described the U.S.'s 15-point plan, which Pakistan passed to Iran last week , as "their wishes" and said the Trump administration is attempting to do through the plan what it has failed to achieve by force. "As long as the Americans seek Iran's surrender, our response is clear: Far be it from us to accept humiliation," Ghalibaf said.…