PANJIPARA: Tension flared in Panjipara area today after a bus graffitied with inappropriate remarks about West Bengal chief minister Mamata Banerjee was set on fire.The bus, which runs from Bihar to Siliguri , was set on fire by alleged Trinamool Congress (TMC) supporters on National Highway 31 when they discovered the anti-Mamata comments scribbled on it.TMC supporters claimed that buses from Bihar bearing insulting remarks against the party chief have become frequent over the last few days. After setting the bus on fire, party cadres put up a blockade on NH-31 and vowed to stop all vehicles coming from Bihar.They also alleged that the driver of North Dinajpur Zilla Parishad President Alema Nuri was attacked by saffron flag bearers and ink was thrown on his face. RSS and Bajrang Dal are attacking TMC as CM Mamata Banerjee is continuing all out attack on BJP over the demonetization issue," some TMC supporters claimed.Following these reports, the situation became grave and ultimately culminated in the bus-burning incident.While the image of the blazing bus was captured by the media, both the TMC and the government have denied any such incident happened.North Dinajpur District Magistrate Ayesha Rani said she was not aware of any bus burning incident. She added that some precautionary measures had been taken given the tense situation in the area.