Palamu, April 24 (ANI): Acting on a tip-off, police arrested three Maoists accused in several attacks, in Jharkhand and also recovered arms and ammunition during search operation. Police recovered a looted police rifle and many rounds of unused bullets during the arrest of Maoists in Palamu district of Jharkhand. The Maoists, who say they are fighting for the rights of the poor and landless, control some of India's mineral-rich areas and operate in large swathes of eastern, central and southern countryside. Maoists, also known as Naxals, have killed police and politicians, and targeted government buildings and railway tracks in an insurgency that has killed thousands since 1960s.