Jaipur:
Four labourers died and two were injured after inhaling poisonous gas while cleaning a tank in Macheda industrial area of the district, police said.
Kasim and his brother Abdul Kalam as well as siblings Jitendra and Tuntun fell unconscious in the tank and subsequently died late last evening.
Two more labourers fainted after inhaling the gas, they said, adding that their condition was stable.