The US announced plans to blockade ships calling at Iranian ports. This move intensifies diplomatic pressure on the Middle East nation after recent peace talks failed to yield an agreement.

The US announced a blockade against ships calling at Iranian ports, ramping up pressure on the Middle East nation after marathon peace talks over the weekend ended without a deal. Action was due to start Monday at 10am New York time (10pm Hong Kong), according to US Central Command. Vessels transiting the Strait of Hormuz to and from non-Iranian ports won’t be affected, it said. President Donald Trump had earlier said that the blockade would cover all ships using the vital waterway. “Any Iranian...