Bihar Home secretary Afzal Amanullah and Additional Director General, CID, Yashwant Malhotra, on Saturday began a probe into Friday's police firing on flood victims in Madhubani district that left one dead and three injured.
The two senior officers, who were instructed by Chief Minister Nitish Kumar to conduct an inquiry into the incident, were airlifted to Madhubani on Saturday morning, which remained cut off from the rest of the state, an official spokesman told PTI.
"They have been asked to personally go into the matter and take necessary action in accordance with the law," he said.
One person was killed and three others injured when police opened fire on a violent crowd resisting digging of land beneath a railway track to drain out flood water near Chakda village on the outskirts of Madhubani town.
According to official sources, there was an altercation between the people of Madhubani town and those of Chakda village, who did not not want the water to be released on their side.
As police intervened, they were attacked with stones leading to injury to 12 policemen, who then opened fire killing a medical representative, Darshan Thakur, and injuring three others.