Kolkata, Jan. 8 -- West Bengal Chief Minister Mamata Banerjee on Thursday launched a scathing attack on the Enforcement Directorate and the union government, alleging that the central agency had "looted" her party's election strategy and documents during its search operations at the offices of political consultancy firm I-PAC.

The chief minister's outburst came after the federal agency raided the residence of Pratik Jain - owner of I-PAC and their office at Salt Lake allegedly in connection with the money trail involved in the coal smuggling case in West Bengal.

Speaking to journalists from the basement of I-PAC's Salt Lake office, nearly 45 minutes after entering the premises, the chief minister said that the ED's action amounted to a "c...