Pakistan moved ahead on Monday with preparations for a new round of talks between the United States and Iran days before a tenuous ceasefire is set to expire, even as renewed conflict around the Strait of Hormuz raised questions about whether the meeting would take place. Over the weekend, the US attacked and seized an Iranian-flagged cargo vessel, known as the Touska, that it said had tried to evade its blockade of Iranian ports. The US Navy ordered the ship to evacuate its engine room before...