Two women died during treatment after a suspected ammonia leak at a private shrimp processing factory in Tamil Nadu's Tiruvallur district on Sunday, police said.
59 workers were rushed to various hospitals in Chennai and in Tiruvallur district soon after the incident, KG Arunraj, minister for health and family welfare, said.
A FIR has been filed and two people—the unit's owners—have been arrested, Tiruvallur police said.
Prime Minister Narendra Modi expressed condolences to the bereaved family members and wished speedy recovery for those hospitalised.
Chief minister C Joseph Vijay extended his deep condolences to the families of the two women and ordered the release of ₹2 lakh each from the Chief Minister's Public Relief Fund.
Tamil Nadu governor Rajendra Vishwanath Arlekar also expressed his condolences to the bereaved families.
