Tamil Nadu ammonia gas leak LIVE: Seven women killed in gas leak in Tiruvallur seafood factory

Seven women died during treatment on Sunday after being affected in a major ammonia gas leak at a private seafood processing unit in Manjangaranai near Periyapalayam, police said.

A total of 67 affected workers were rushed to local medical centres immediately, Thiruvallur District Collector S Kavitha said.

According to her, 46 are being treated at Vels Hospital and 21 at Venkateshwara Hospital. Nine of the most critically ill patients have since been mobilised via ambulances to the Government Stanley Medical College Hospital in Chennai.

Chief Minister Vijay has given instructions to form an enquiry committee to probe the incident. 

A three-member committee comprising the Director of Industrial Safety and Health, Member Secretary, Pollution Control Board and the Additional Director of Public Health has been formed to submit an interim report within 24 hours and a final report in 3 days.

The CM had instructed the IT Minister/Tiruvallur Monitoring Minister to rush to Tiruvallur along with the Monitoring Officer, Dr. K.P. Karthikeyan, IAS, to give the best possible care to the affected in coordination with the District Collector and the district administration.

Minister for Public Works Aadhav Arjuna and Minister for School Education Rajmohan to rush to Stanley Medical College Hospital and Rajiv Gandhi Government General Hospital to oversee efforts with Deans.

-N.Sai Charan

A total of 67 affected workers were rushed to local medical centres immediately after a major ammonia gas leak at a private seafood processing unit in Manjangaranai near Periyapalayam, Tiruvallur District Collector (DC) S. Kavitha said on Sunday (June 21, 2026).

According to her, 46 are being treated at Vels Hospital and 21 at Venkateshwara Hospital. Nine of the most critically ill patients have since been mobilised via ambulances to the Government Stanley Medical College Hospital in Chennai.