The High Court of Kerala on Monday held that investigation should be carried out into the alleged encounter killings of two Maoists - Karthik@ Kannan and Manivasakam - by Kerala police in Agali forests two weeks ago.Disposing of the petition filed by the relatives of the slain Maoists, Justice R Narayana Pisharadi ordered :"...the circumstances under which the death of Karthik @Kannan...