<sod >Sata is likely to be succeeded on an interim basis by defence minister Edgar Lungu, who stood in recently as acting president, or vice-president Guy Scott, who would become Africa's first white head of state since South Africa's FW de Klerk in 1994.< eod>< sod > â An interim president is likely to succeed Sata and two candidates include defence minister Edgar Lungu, who stood in recently as acting president, and vice-president Guy Scott, who would become Africa's first white head of state since South Africa's FW de Klerk in 1994.< eod>