Three workers die after accidentally inhaling poisonous gas

Three workers were killed today after they were exposed to poisonous gas while cleaning a boiler at a coffee manufacturing plant at Mambattu Special Economic Zone near Tada mandal of the district, a police official said here today.
Deputy Superintendent of Police (Gudur Sub-Divison) B Srinivas told PTI that the incident occurred at around 11.30 am after a worker entered the boiler to clean it after a trial run was conducted at the plant a week ago.
"One worker removed the cap of the boiler and entered it but it seems he inhaled some poisonous due to which he fell into the boiler. Two other workers who tried to rescue him also ended up inhaling the gas after which all three of them died on the spot," the police official said.

A case has been booked and further investigations are on, the police official said.