Four Bihar military police jawans were killed and another was seriously injured when Maoists spayed bullets on a police patrol in Bihar's Aurangabad district on Monday, the police said.
The incident happened at Tandawa Bazaar area in the district when the BMP personnel along with the district armed police force were patrolling the area.
Six Maoists, armed with sophisticated weapons, indiscriminately fired at them, Superintendent of Police Sanjay Kumar Singh said.
Four BMP jawans were killed on the spot, while another was seriously injured, he said.
The ultras also looted five rifles and several rounds of ammunition from them before escaping, the SP said.
The entry and exit points of the district were sealed and a combing operation launched for the Maoists, he said.