In Jharkhand, three policemen were injured when Maoists attacked their make-shift camp at Cone village in Latehar district in the wee hours of today. The ultras attacked the camp of the security men well past midnight triggering an encounter which continued till 4 am. Superintendent of Police D B Sharma told reporters that some of the Maoists are also believed to have suffered bullet wounds in the encounter. He said, more than thousand bullets were fired in the exchange of fire between the two sides.