According to police, the deceased himself was a history-sheeter and had 14-15 cases registered against him.
BJP workers have alleged that Trinamool Congress workers murdered him. The TMC workers have denied the claim.
The BJP blamed the TMC for the incident, a charge denied by the ruling party.
Prohibitory orders under Section 144 CrPC were imposed in the affected areas to restore order. Both TMC and BJP have blamed each other for the violence.
Mamata's new brand of parochial politics has not gone down well with both Bengali and non-Bengali community in the state. Why is she doing it and will she persist with it?
While the details of those injured in the incident were yet to be ascertained, the deceased has been identified as Rambabu Shaw.
A meeting of the state BJP office-bearers presided over by Samir Mohanty blamed the ruling BJD for the murder of Sushant Nayak, son of former Pandiripada sarpanch.
A Trinamool supporter claimed that Patra was threatened by some Bharatiya Janata Party activists a few days back.
The TMC, however, has charged the BJP with attacking its party workers on that day.
She said the Centre also had an equal responsibility as the state governments in case any violence or riot took place in any state.
The government has formed a three-member probe committee headed by Law Minister Ratan Lal Nath which will provide its recommendations after completion of the investigations
The incident took place late on Friday night when Brajpal Rathi, the party's district secretary was returning to his house in Eta sector in an SUV accompanied by a friend and driver, the police said.
Lalji Yadav, 51, was travelling on his SUV when the motorcycle-borne men came from behind and opened fire.
Police said Mondal’s wife had lodged a complaint against three persons who are on the run.
Several party cadres staged a demonstration near the government hospital demanding the arrest of those involved in the murder and refused to accept the body.