Patna, July 21 (IANS) Three people were arrested Thursday for the gunning down of three people at the house of a Rashtriya Janata Dal (RJD) MP in Bihar, police said.


Five gunmen barged into the house of RJD MP Umashanar Singh in Chhapra town Wednesday and opened random fire. The victims were identified as Vinod Singh, Mani Bhushan Singh and Dinesh Yadav -- all known supporters of Singh.

"Interrogation of the arrested three arrested men is on," a police official said.

Saran district Deputy Inspector General (DIG) Sunil Kumar told IANS on phone that police have got some breakthrough in the case.

Singh, elected to the Lok Sabha from Maharajganj, was not in his house when the attack took place. He did not rule out political conspiracy behind the incident.

Police said it appeared the attackers used AK-47s to open fire inside the house.