Kenyan no-frills airline Fly540 is preparing to launch a new service linking the capital Nairobi to Mwanza in northwestern Tanzania. The service, which is expected to come into operation in October, follows the launch by the carrier of international flights to Juba in south Sudan and Entebbe in Uganda earlier this year. The move is part of an expansion strategy which aims to make the airline the first pan-African carrier with three regional hubs