PRISCILLA MWILA, Lusaka and NKOMBO KACHEMBA, Kitwe UNIONISED workers at Pick n’ Pay Zambia yesterday staged a sit-in protest at various outlets, paralysing operations of the supermarket countrywide. However, the workers resumed work later in the day. They were demanding a salary increment of between K500 and K1,000 but management has offered a K200 pay […]