India, March 19 -- Iran intensified its attacks on Gulf energy infrastructure on Thursday, striking major liquefied natural gas (LNG) facilities in Qatar and gas installations in the United Arab Emirates hours after Supreme Leader Mojtaba Khamenei vowed that "every drop of spilled blood comes at a price" following the killing of Iran's national security chief Ali Larijani.

Missile strikes set parts of Qatar's Ras Laffan liquefied natural gas complex, one of the world's largest LNG hubs, ablaze, forcing authorities to battle "sizeable fires and extensive further damage", QatarEnergy said. Production at the facility had already been halted following earlier attacks.

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Civil defence teams later said th...