India, July 22 -- An Iranian official began meetings on Tuesday with mediators in Pakistan as diplomats sought to salvage the collapsed interim deal between Iran and the United States, even as both countries continued to launch attacks for a 10th day of renewed fighting.

The visit by Iran's Interior Minister Eskandar Momeni comes as Pakistan has intensified diplomatic efforts in recent days to resuscitate the deal. However, it remains unclear just what new arrangement could be reached to end the fighting. Iran attacked a tanker in the Strait of Hormuz early Tuesday, forcing its crew to abandon the ship, while the United States conducted yet another round of airstrikes targeting the Islamic Republic.

The 10 consecutive nights of US airst...