Five persons were killed and over 100 others had to be hospitalised after inhaling hazardous fumes in an ammonia gas tanker leak early Saturday in the district, police said. The incident occurred when the tanker got stuck under a flyover along a canal on the Doraha Bypass Road, about 25km from here, they said. “Five persons died from inhaling the gas and over 100 others complained of breathing problems. “Those affected after inhaling the gas have been admitted to various hospitals in Ludhiana. Barring 2-3 persons, all were stated to be out of danger by the doctors,” Ludhiana Police commissioner Pramod Ban told PTI over the phone.