Three workers died today after inhaling poisonous gas at an oil mill in Gaganpahad area here, police said.
The workers, who had entered the cooling unit of the mill to clean up the oil sludge, fell unconscious after inhaling the gas accumulated inside, RGI Airport Police Station's Inspector T Sudhakar said.
"They were shifted to a nearby hospital but doctors declared them brought dead," the police officer said.
The mill had been closed for the last three days for repairs, he said, adding further investigation are on.
