Gurugram, April 16 -- Two sanitation workers were killed and another was hospitalised in a critical condition after they inhaled poisonous gas while cleaning a sewer line without any safety gears in Nuh's Firozpur Jhirka Tuesday, police said Wednesday. According to police, the incident took place at Ambedkar Chowk around 9.30pm on Tuesday while the public health engineering department (PHED) was getting a sewer line cleaned through one of its contractors. Police identified the deceased as Rajender Kumar alias Kalva, 27, from Mundkati in Palwal and Abdul Kalam, 30, from Nunabadi in Saharanpur, Uttar Pradesh. The third worker, Mohammad Arbaz alias Bhura, 28, is critical and undergoing treatment in Mandi Khera. Police said they received a call...