BIDAR, Aug. 6 -- Three contract workers were killed and two others were hospitalised after a toxic gas leak at a pharmaceutical manufacturing unit in Karnataka's Yadgir district early Wednesday, police said.

According to police, the leak occurred between 2 am and 3.30 am at a private pharmaceutical plant in the Kadechur Badiyal Industrial Area under Saidapur police station limits in Gurmitkal Assembly constituency.

Superintendent of police Prithvi Shankar said a chemical scrubber inside the factory developed a leak, exposing workers to hazardous gas. "According to preliminary information, the incident occurred between 2 am and 3.30 am inside the factory on Wednesday, where a chemical scrubber reportedly developed a gas leak. The workers...