Kolkata: Seven persons were arrested in connection with the incident in which a Trinamool Congress supporter was shot at near Khoirasole in Birbhum.According to the police, the accused were known to be CPI(M) supporters and arrested on the basis of a preliminary investigation. The arrested persons were remanded to 14-day judicial custody after being produced before court. Trinamool Congress supporter Seikh Afjal was shot at on Monday. He was admitted to a hospital with severe injuries. Also Read – Rain batters Kolkata, cripples normal lifeA police officer said chaos broke out after a rally at Khoirasole when Afjal was shot at. Afjal was passing by when the trouble broke out and CPI(M) workers allegedly attacked the Trinamool Congress workers. All of a sudden they opened fire at Afjal who received bullet injuries in his stomach. Locals went to the spot and found Afjal lying in a pool of blood. Police also went to the spot and took him to a hospital where he was provided with necessary treatment. Subsequently, police initiated a probe in this connection and later arrested seven persons. Policemen were posted at the spot to avoid further deterioration of the law and order situation in the area.