The incident occurred last evening in Chandelakalan village when the polling party was taking back ballot boxes, they said.
The mob pelted stones on police and torched the jeep, they said, adding, the police driver had received minor injuries in the incident.
(REOPENS CES6)
29 people have been arrested in connection with the
attack, a senior police officer said late tonight.
The officer said the arrested persons included the former Vice-Chairman of Ausgram Municipalty and present Trinamool Congress councillor.