India, June 29 -- Four people were killed while three people were injured on Sunday after a mud wall collapsed in Rajasthan's Bharatpur where work is going on under the Chambal drinking water scheme, police said. Rescue operation is underway.

The site is located between village Jangi Ka Nagla and Daulatgarh, under the Gehndoli Mode police station.

Villagers from Jangi Ka Nagla, Uttu and other villages had reached to take soil that was being dug at the site. "The Chambal drinking water scheme 's digging work was on where the villagers in the early morning reached there to take soil," Uchchain circle officer Anil Doriya said.

Police reached the spot and started a rescue operation. Around seven villagers, including women, were trapped. Th...