India, Jan. 22 -- Twelve crew members were rescued on Wednesday after a Bangladeshi vessel carrying fly ash from West Bengal to Khulna capsized in the Muri Ganga river in South 24 Parganas, posing a risk to aquatic life and ecosystem of the estuary, police said.

"A Bangladesh-bound vessel --- MV Tamzid Nasir--- transporting flyash from Budge Budge in South 24 Parganas capsized in the River Muri Ganga. There were one Indian and 11 Bangladeshi crew members. Other vessels present nearby rushed to its aide. All the crew members were rescued," an officer of the Sundarban police district said.

Fly ash contains heavy metals that can leach into water sources, posing a risk to aquatic life and human health. The area is ecologically sensitive and...