Virendra Singh was carrying out the welding on his tanker truck, that he used to drive, yesterday when the mishap took place, Mathura SP Anupam Singh said.
Singh was killed on the spot while, a mechanic and the cleaner of the truck were injured and taken to a hospital, he said.
The SP said a case has been lodged against owners of the truck owner and the enclosure for allowing welding by flouting safety norms.
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