The Central Bureau of Investigation (CBI) on Monday arrested two West Bengal ministers - Subrata Mukherjee and Firhad Hakim - an MLA of the ruling Trinamool Congress Madan Mitra and former Kolkata mayor Souvan Chatterjee in connection with the Narada sting operation case. CBI's action on TMC leaders has sparked politics in the state. Watch the video to know what TMC said.