(Telecompaper) LG Electronics has expanded its K Series smartphone lineup with the launch of the K8 and K5 mid-range devices. LG introduced the K10, K7 and K4 earlier this year. The K8 and K5 will be introduced in key markets this week. The K8 will be available to consumers in regions including Asia, Africa, the Middle East, CIS and Latin America. The K5 will target customers in Europe, CIS and Latin America (model name Q6 in Mexico).