New Delhi, Jan. 31 -- The National Investigation Agency has taken over the probe into the violent unrest that shook Beldanga in West Bengal's Murshidabad district after the death of a migrant worker.

The agency took over the case after almost 14 days from the West Bengal Police on Friday, following orders from the Ministry of Home Affairs, considering the gravity of the case.

Violence erupted at Beldanga in Murshidabad district on January 16 over the death of the 30-year-old migrant worker Alauddin Sheikh.

The post-mortem report of the deceased migrant worker, as well as the investigation by Murshidabad police, had ruled out murder or any foul play.

A large number of people took to the streets by blocking railway tracks and the nation...