Uncertainty surrounding Iran ’s participation in this summer’s World Cup on United States soil has been clarified after United States President Donald Trump gave his approval, stating, "Let them play." Iran’s place in the finals had been in doubt following air strikes launched by the US and Israel against the country on February 28. FIFA president Gianni Infantino had consistently maintained Iran would compete as scheduled, with all three group matches taking place in the US, a position he reiterated at FIFA’s Congress on Thursday. Asked about Infantino’s remarks later that day, Mr Trump responded: "Well if Gianni said it, I’m OK." Iran would face the US in the last 32 in Dallas if both teams finished second in their respective groups (Adem Altan / AFP via Getty Images) “Did Gianni say it? Gianni Infantino – that’s a piece of work.” Asked what would happen if Iran won, Trump replied: “If they win we’ll have to worry about that. I’m going to have to worry about that one. “You know what, let them play.…