Trinamool Congress leaders Abhishek Banerjee and Derek O’Brien have been booked for allegedly assaulting police personnel and obstructing them from discharging their duties when they went to remove a signboard of the party from a building on Kolkata’s Camac Street, The Hindu reported on Friday.Three first information reports have been registered in connection with the incident under sections of the Bharatiya Nyaya Sanhita pertaining to unlawful assembly, obstructing and assaulting public servants, causing hurt, criminal intimidation and use of force against a woman, among others.At least 13 persons have been arrested in the case so far, Additional Commissioner of Police (Crime) Kunal Aggarwal told the newspaper.On Thursday, an altercation broke out between Banerjee and the Kolkata Police when security personnel and officials of the municipal corporation arrived at the party office to remove the signboard.The board, with the name “All India Trinamool Congress”, was installed on the top of the building. Most of the units in the building are part of Banerjee’s office.In one of the FIRs, the police have alleged that the signboard was hanging dangerously and stated that the municipal corporation had been directed to remove it for safety, The Hindu reported.On Thursday afternoon, a team of police personnel, accompanied by municipal corporation officials, reached the building to remove the signboard. Banerjee and other TMC leaders tried to stop them and questioned whether they had the orders to enter the premises, the newspaper reported.But the police entered the building and removed the board. While the police personnel and municipal officials were making their way to the roof, O’Brien fell on the stairs, The Hindu reported.After the incident, Banerjee had asked whether the Bharatiya Janata Party would decide “what billboard will I put outside my office”.“There are 400 posters of the BJP on this road,” the newspaper quoted Banerjee as saying. “Will the police and KMC remove any of them?”On Thursday, the party had said that the Kolkata Municipal Corporation had failed to provide a valid notice to the TMC about the signboard. It also alleged that the municipal officials had assaulted Banerjee and O’Brien after “trespassing” into the party office.The official “pushed and heckled” TMC supporters and staff, the party alleged. It further alleged that the clothes of the office’s women security personnel were torn.In the FIR, the police have claimed that while assisting the municipal officials, some unknown persons obstructed its personnel on the staircase and snatched the government-issued wireless handheld radio from a constable. When he tried to apprehend one of them, the persons allegedly assaulted the police personnel.It is further alleged that a woman police personnel was attacked with intent to outrage her modesty.Edited by Nachiket Deuskar.