Trump threatens new Iran escalation and risks repeating old mistakes

As a month-old interim ceasefire collapses, the US president weighs broader military action despite analysts warning that more strikes are unlikely to force Tehran to change course and could deepen the regional conflict.

President Donald Trump has ramped up US air strikes on Iran and threatened broader escalation, but there is little sign that a military strategy that has already failed to extract concessions from Tehran will succeed this time.