Bhubaneswar, Jan. 28 -- The National Investigation Agency (NIA) began probing the blast that occurred yesterday in the Sundarpada area of Bhubaneswar. Officials questioned the house owner and several others on Wednesday, suspecting a larger conspiracy behind the explosion.

The incident had occurred in the afternoon at Azad Nagar in Sundarpada while bombs were allegedly being prepared. A powerful explosion seriously injured four people. Bhubaneswar Deputy Commissioner of Police (DCP) Jagmohan Meena said that cases have been registered against all those injured in the blast, and action will be taken once they recover.

Police further revealed that those allegedly involved in making the bombs already face at least seven criminal cases regis...