Silchar, May 29 -- Three persons died and one was injured on Friday morning after they accidentally fell into a septic tank while cleaning it in the Goraimari area of Assam's Goalpara district, police said.

The accident happened around 9:30 am when the property owner, Josok Rabha (40), along with two labourers and a relative, was cleaning an old septic tank, officers said.

All four were trapped inside the tank and rescued by locals, said Goalpara additional superintendent of police (headquarters) Biddyut Vikas Bora Bhuyan.

"All four were taken to the Goalpara Civil Hospital, where doctors declared three of them, including Josok, dead on arrival, while one is undergoing treatment in the Intensive Care Unit (ICU) in critical condition," ...