Kolkata, June 18 -- Trinamool Congress (TMC) MP Saugata Roy on Thursday termed the removal of former Chief Minister Mamata Banerjee's Personal Security Officer (PSO) as an "unfriendly act," amid an escalating political row over changes in her security arrangement and growing tensions within the party.

"Recently, they called two security personnel who have been with Mamata for a long time, and they asked them questions. It's likely that they may be changed. We strongly decry this... So we take it as a very unfriendly act on the part of the state," he told ANI.

The controversy comes amid claims that Mamata Banerjee's long-serving PSO, who had been with her for nearly two decades, was recently removed, prompting strong reactions from withi...