The NIA on Tuesday arrested a Maoist leader from Bengal, accused of aiding another CPI(Maoist) leader who is currently in the central agency's custody.
CPI (Maoist) activist Samrat Chakraborty alias "Nilkamal Sikdar" was arrested in West Bengal in a case related to setting up units of the outlawed group in Assam, an National Investigation Agency (NIA) spokesperson said on Tuesday.