Washington DC, June 23 -- US President Donald Trump on Monday said he would take necessary action if Iran fails to adhere to any agreement following the conclusion of the initial round of technical talks in Switzerland, stressing that preventing Tehran from acquiring a nuclear weapon is more important than concerns over global economic fallout, including the risk of a worldwide depression.

Speaking during the signing ceremony of two Executive Orders on quantum technology at the White House Oval Office, Trump said enforcement measures would be taken if Iran did not comply with its commitments.

"If Iran doesn't live up to their agreement, or if they're not behaving, I will do what I have to do," Trump told reporters.

He added that contin...