Three labourers were killed after they inhaled poisonous gas while cleaning an underground water tank in a hotel in Ajmer district.
Salim and Akbar, both aged 25 years, and 55-year-old Aslam fell unconscious during the cleaning work in Langar Gali in Dargah area late last night, police said today.
They were taken to JLN government hospital where they were declared dead.
