Jharkhand police have killed 10 Maoists and destroyed eight Naxal camps in West Singhbhum district. Six police personnel were also injured in the operation which took place in the Borahat jungles under Sonwa Police station yesterday.<br/><br/>Injured police personnel were airlifted by army helicopters. Chaibasa Superintendent of Police Akhilesh Jha said that about 2,000 police personnel took part in the operation 'Green Hawk'.