The Enforcement Directorate (ED) has summoned MP Abhishek Banerjee, nephew of West Bengal chief minister Mamata Banerjee, and his wife for questioning in a money laundering case linked to an alleged coal scam in the state, officials said on Saturday.

Abhishek Banerjee represents the Diamond Harbour seat in Lok Sabha and is also the national general secretary of the Trinamool Congress (TMC).