The standoff between the United States and Iran is entering a dangerous new phase as Tehran issues a powerful warning against any fresh American military action. Iranian military officials have threatened to “open new fronts” against the US if Washington resumes strikes, triggering fresh fears of a wider conflict across West Asia and the Middle East. As tensions rise, US President Donald Trump is reviewing military options while high-level security meetings continue inside the White House. Reports suggest the US administration has given Iran a narrow window to reach an agreement before the possibility of renewed military operations moves closer to reality.