From the remote regions of Chhattisgarh, where 30 people in a Congress convoy were massacred by suspected Maoists yesterday, details are now emerging of a precision strike, meticulously planned and implemented with deadly accuracy. Top Chhattisgarh Congress leader Mahendra Karma was shot in cold blood. The body of state unit chief Nand Kumar Patel was found this morning. Former Union minister VC Shukla is critically ill with three bullet wounds in his abdomen. He is being operated upon at the Medanta Medicity Hospital in Gurgaon.