Coverage dated September 20, 2026 to September 21, 2026

Iran warns new U.S. assault would see it expand "geography of the war"

Headline from CBS News, from the development of Sep 21, 2026

Newest development Sep 21, 2026 · 2 reportsIran threatens to use 'new weapons' after Trump warns Tehran it 'better behave'

As President Trump touts a looming decision on his next move in the war, Tehran says any "new aggression" would be met with different weapons in new places.

CBS News's own description from its feed. We collect headlines and these descriptions, not full articles; read the original reporting below.

Developments in this update

2 dated developments, oldest first, newest marked. Each is named by one outlet's own headline; open its reports to see every outlet that covered it.

  1. Names this update

    Iran warns new U.S. assault would see it expand "geography of the war"

    Headline from CBS News ·

  2. Newest

    Iran threatens to use 'new weapons' after Trump warns Tehran it 'better behave'

    Headline from Just the News ·

Reports & sources

7 articles, oldest first.

  1. Just the News

    Iran threatens to use 'new weapons' after Trump warns Tehran it 'better behave' (opens Just the News)

    Published

    Just the News's feed description

    Trump said he was still trying to decide how to continue the mission in Iran, saying he is choosing between "wiping Iran out, letting them rot economically or making a deal."

  2. CBS News

    Iran warns new U.S. assault would see it expand "geography of the war" (opens CBS News)

    Published

    CBS News's feed description

    As President Trump touts a looming decision on his next move in the war, Tehran says any "new aggression" would be met with different weapons in new places.

  3. NBC News

    Tehran warns of ‘new weapons’ as Trump weighs meeting with Iranian president (opens NBC News)

    Published

    NBC News's feed description

    Iran warned Monday it would use “new weapons with new capabilities” if the U.S. launched a fresh assault after President Donald Trump ramped up the rhetoric against Tehran over the weekend.

  4. End Time Headlines

    Iran says the world will be ‘astonished’ by their new weapons and ready for next move (opens End Time Headlines)

    Published

    End Time Headlines's feed description

    According to reports from Fars news agency and Iran International, Iran warned Monday that it could field new weapons and widen the map of the war if the United States opens another offensive, as President Donald Trump considers his next step.

  5. Al-Monitor

    Iran threatens to expand war with new weapons if US attacks resume (opens Al-Monitor)

    Published

    Al-Monitor's feed description

    Iran's Islamic Revolutionary Guard Corps has threatened to expand its attacks in the region and use new weapons.

  6. The New Republic

    Iran Makes Chilling Threat After Trump Mulls “Wiping” Them Out (opens The New Republic)

    Published

    The New Republic's feed description

    Iran has threatened to unveil a new weapon and alter the landscape of the war if Donald Trump follows through on his pledge to “wipe out” the nation. “If a new aggression takes place, we will definitely change the weapons and geography of the war,” Hossein Mohebbi, a spokesman for Iran’s Islamic Rev…

  7. Revolver News