Toxic gas leaked in Chinese food factory 7 suffocated to death.

Sichuan, China: Food processing factory in China’s Sichuan Province met an accident in which seven people were suffocated to died when a toxic gas leakage.
The accident took place on Monday around 3 pm when a bamboo shoot factory in Changning County in the city of Yibin was undergoing equipment maintenance, Xinhua reported citing the county’s publicity department said Tuesday.
The seven victims first slipped into a coma and later died after medical treatment failed to revive them, officials said. Another person who was affected in the accident is in stable condition.
Investigation into the incident is underway.