The Enforcement Directorate (ED) on Tuesday carried out searches at five locations in and around Kolkata as part of a money laundering investigation. The probe relates to alleged dishonest financial dealings and the routing of suspected funds through bank accounts linked to the Trinamool Congress (TMC).Preliminary investigations have revealed that more than Rs 150 crore was allegedly routed through aviation and travel companies for "suspicious purposes."Also Read: Battle for TMC name, symbol reaches decisive stage as rival camps prepare to face ECThe searches covered the premises of Carewell Aviation, its directors, and a purported electoral trust, the ED said.Further details are awaited as the searches continue.