Two days after a mob attacked an Enforcement Directorate (ED) team which was on way to Trinamool Congress (TMC) leader Shahjahan Sheikh’s residence in North 24 Parganas’ Sandeshkhali, a TMC leader was shot dead on Sunday.

Satyen Chowdhury, Chowdhury, TMC’s general secretary for Murshidabad district, was gunned down by unidentified assailants in Baharampur.

Chowdhury was rushed to a hospital but declared dead on arrival.

According to officials and eyewitnesses, a group of individuals arrived on bikes and opened fire on Chowdhury from close range.

Police have launched an investigation into the murder, the motive of which is yet to be ascertained

Chowdhury was once close to Murshidabad’s heavyweight Congress leader Adhir Ranjan Chowdhury, but later joining ruling TMC.

The CBI has detained an official posted in Gangtok and also a middleman, they said.

The FIR names 24 individuals including 16 officials who were allegedly issuing passports on the basis of forged documents to ineligible persons, including non-residents, in return for bribes, they said.

The searches are spread across Kolkata, Siliguri, Gangtok, and other locations, they said.