Chennai, June 22 -- At least two women died and several others were battling for their lives following a suspected ammonia gas leak at a private shrimp processing factory in Tamil Nadu's Tiruvallur district on Sunday, police said, adding that the two owners of the facility have been arrested in connection with the incident. The incident took place around 10am on Sunday, officials said. "Preliminary enquiries reveal that the coolant used (ammonia) to store the shrimps started to leak in the morning," state minister R Kumar said.P9...