Trump warns Iran of a 'crushing blow' as Tehran vows a longer war

Trump told an Iowa rally that Washington may at some point strike Iran with a crushing blow, and Tehran warned it would fight a longer war.

• Trump said he has delayed ending the conflict because he wants to "be kind" and save lives.
• Trump said he discussed Iran with Israeli Prime Minister Benjamin Netanyahu in a Saturday phone call.
• Iranian army spokesman Mohammad Akrami Nia said any future war could last longer than the previous conflict and the US president would not set its end.
• Iran's Revolutionary Guard navy said two oil tankers exploded after hitting mines in the Strait of Hormuz.