Doha, June 22 -- At least 13 people, including Indian and Pakistani nationals, were killed and 66 others injured after a massive explosion and fire at Qatar's Ras Laffan Industrial City, the country's Energy Minister Saad bin Sherida Al-Kaabi confirmed on Monday.

Al-Kaabi, who also serves as chief executive of QatarEnergy, described the incident as a tragic loss of life while addressing a press conference.

"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," he said.

The explosion occurred on Sunday evening at the Barzan local gas supply facility during the restart of operations at the site.

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