“If the Americans attack the sanctity of Iran, the entire region will blow up like a spark in an ammunition dump,” Parliament Speaker Mohammad Qalibaf said.

“Their bases and those of their allies will not be safe,” Qalibaf said in a live speech at the annual Al-Quds Day, or Jerusalem Day, that marks the last Friday of the holy month of Ramadan.

Khamenei has called Trump’s message deceptive, and Foreign Minister Abbas Araqchi said on Thursday talks were impossible unless Washington changed its “maximum pressure” policy. Iran had thoroughly examined Trump’s letter and had sent “an appropriate response” through Oman, Araqchi said.