Malda, West Bengal: Today crude bombs were exploded in a bomb factory in the area. Four people were killed and several injured in the Baishnabgarh constituency of Malda district due to explosion.

According to congress, that was an accident as the workers who killed in the explosion were making bombs.

The Trinamool worker has denied to the statement given by congress.

The police arrested three people the next morning, only after protests by people in the locality.

One of them is a Trinamool block president. They were however let off on bail before they could be produced in court. Behala East is the constituency of Kolkata Mayor Sovan Chatterjee.