David Lammy said he had told Iran it would be a "mistake" to blockade the Strait of Hormuz, as he urged Iran to take the "off-ramp" and engage in diplomacy.The Foreign Secretary said it would be a "catastrophic mistake" for Tehran to fire at US bases in the region, after an American attack on Iran's nuclear programme over the weekend.Questions are being asked about whether the shipping channel or oil exports through it could be blocked amid the tensions.

David Lammy said he had told Iran it would be a "mistake" to blockade the Strait of Hormuz, as he urged Iran to take the "off-ramp" and engage in diplomacy.The Foreign Secretary said it would be a "catastrophic mistake" for Tehran to fire at US bases in the region, after an American attack on Iran's nuclear programme over the weekend.Questions are being asked about whether the shipping channel or oil exports through it could be blocked amid the tensions.