Pakistan, June 11 -- Iran's President Masoud Pezeshkian on Wednesday vowed to stand firm against any pressure or threat as US President Donald Trump threatened to attack Tehran "very hard".

In a post on X, Pezeshkian said, "Iran, relying on the knowledge and capabilities of its specialists, national unity, and solidarity, will stand firm against any pressure or threat."

"Critical infrastructures are the lifeblood of the people. Threats to target them-from transportation networks to the electricity and water industries-are not a show of strength but a sign of desperation in the face of a nation's will," he added.

Trump said that the US is going to attack Iran "very hard" if no peace deal is finalised, and announced that the United State...