US Reinstates Iran Blockade, Iran Attacks Tankers

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- United States planned to reinstate a blockade on Iranian ports on Tuesday, marking a return to open war with Iran over the Strait of Hormuz waterway.
- Iran said it attacked two tankers and fired at U.S. military sites as the conflict over the strategic waterway reignited.
Why it matters: With the U.S. reinstating its blockade on Tuesday and Iran firing on tankers and U.S. military sites, the two countries have formally returned to open war — meaning commercial shipping through the Strait of Hormuz now faces direct military action from both sides.
