Iran said on Thursday it would respond with "long and painful strikes" on US positions if Washington renewed attacks, and also reasserted its control over the Strait of Hormuz, complicating US plans for a coalition to reopen the waterway.
US President Donald Trump is slated to receive a briefing on Thursday on plans for a series of fresh military strikes on Iran. This spurred big gains in oil prices, with the benchmark Brent crude contract hitting more than $126 a barrel at one point. It later slipped back to around $113 a barrel.