US military poised to blockade Iranian ports while Tehran threatens wider region

Oil tankers and cargo ships line up in the Strait of Hormuz (Altaf Qadri/AP)

The US military vowed to blockade all Iranian ports starting on Monday, part of efforts to force Tehraninto agreeing to open the crucial Strait of Hormuz and accepting a peace deal.

Iran responded with threats on all ports in the Persian Gulf and the Gulf of Oman, taking aim at US-allied countries.