3 die, 5 hospitalized in biogas leakage in southern Vietnam

A biogas cellar in the Vietnamese province of Ca Mau leaked, killing a couple, their neighbor and left five other neighbors hospitalized, local media reported Sunday.

On Saturday morning, Nguyen Van Tang, 51, in Cai Nuoc district, found his biogas cellar leaking and went to the cellar to fix it, then fainted. His 51-year-old wife and six of the neighbors, including 35-year-old woman named Tran My Hanh, her husband and her father-in-law, came to help later but all fainted, daily newspaper Tien Phong (Pioneer) reported.

Local doctors said Tang, his wife and Hanh died of biogas poisoning, Hanh's father-in-law was in critical conditions, and five other patients were in stable conditions.

Tang raised many pigs whose droppings were used to make biogas he used as fuel for his family's daily use. His family was in financial difficulty.