Palakkad: A Congress worker waved a black flag at the Chief Minister’s bus, which entered the district for the New Kerala assembly. The incident happened when the bus reached Thootha at 9 pm on Thursday while going to Shornur via Thoothapalam from Perinthalmanna. CPM, DYFI During the greetings of the workers, the Congress worker shouted slogans against the Chief Minister and waved a black cloth. Congress workers have complained that the workers were beaten up. However, Cherpulassery Police Inspector T said that there was no black flag protest against the Chief Minister anywhere in the station. Sasikumar said.