By Hector Simfukwe: The Zambia Police Service has summoned UPND Leader Hakainde Hichilema. Police Spokesperson Esther Katongo has however not disclosed the reason for summoning Mr. Hichilema. Meanwhile Mrs. Katongo has told ZNBC news this evening that Police have received correspondence from Mr. HICHILEMA’s Lawyers requesting for the rescheduling of the date. She says police…