India, June 22 -- At least 13 people, including Indian and Pakistani nationals, were killed and 66 others injured after a massive explosion struck Qatar's Ras Laffan liquefied natural gas (LNG) complex, one of the world's largest energy facilities, authorities confirmed on Monday.

Qatar's Energy Minister Saad al-Kaabi announced the casualties while addressing reporters, describing the incident as a tragic accident.

"I find myself today having to do something I have always hoped will never happen, and that is to announce the tragic loss of 13 lives of our people who hold Indian and Pakistani nationalities," al-Kaabi said.

Blast occurred during restart of operations

According to officials, the explosion took place as workers were restar...