Pakistan, July 8 -- Two tankers were hit in the Strait of Hormuz on Tuesday, including an LNG carrier at risk of explosion, as huge crowds mourning Iran's slain Supreme Leader Ayatollah Ali Khamenei thronged the holy city of Qom.

Qatar blamed Iran for the attack on a huge Qatari liquefied natural gas tanker, the Al Rekayyat, which reported being struck overnight by a drone that caused a fire in its engine room.

The crew was safe and being evacuated, but maritime security sources briefed on the incident told Reuters the fire on board could put the ship at risk of blowing up.

A Saudi-flagged crude oil tanker, believed to be the supertanker Wedyan, was also damaged off Oman's coast, maritime security sources said. The cause was not immedi...