A series of deadly fires in the southern Indian state of West Bengal have reignited concerns about the environmental impact of coal mining and coal imports from China, as authorities investigate the causes of the fires.

The fire that destroyed the Bhuj dam in the state of Odisha has killed at least three people and destroyed or damaged more than 20,000 hectares of land, according to state officials.

The Bhujam dam in Odisha is a water dam, and the dam itself is a source of water for hundreds of villages.

The dam’s destruction has been blamed on poor construction and management practices and environmental issues.

West Bengal, the country’s largest state, has been reeling from a series of floods in recent months, resulting in landslides, floods and landslides that have claimed more than 60 lives.

More than 1,000 people have been killed in West Bengal since July 2017.