Andhra Pradesh (AP) Police have nabbed four persons, who aided the Maoists in killing legislator, Kidari Sarveswar Rao and ex-MLA, Sriveri Soma, at Araku Valley last month. The four, who were arrested and produced before the media by Vizag Police, are Edela Subba Rao, Ganeli Sobhan, Edela Eeswari and Korra Kamala. They had given shelter and food to the Maoists, who had killed the public representatives. The four were arrested from Livitiputta village of Dimriguda mandal, the Police said. They confessed that they had given shelter to Maoists.