BISSAU (Reuters) - Guinea-Bissau's newly appointed Prime Minister Faustino Fudut Imbali handed in his resignation on Friday after an ultimatum was given by West African regional bloc ECOWAS, the president said.

OUAGADOUGOU (Reuters) - A mine worker shot during an ambush on a mining convoy in Burkina Faso said on Friday he was one of only three survivors from a bus with up to 80 people aboard, suggesting the death toll may be much higher than officially reported.

BISSAU (Reuters) - Guinea-Bissau's newly appointed Prime Minister Faustino Fudut Imbali handed in his resignation on Friday after an ultimatum was given by West African regional bloc ECOWAS, the president said.

TUNIS (Reuters) - Tunisia's moderate Islamist Ennahda party may choose a candidate from outside its ranks to head government, two sources said on Friday, as it seeks consensus with other parties for a coalition.

LUSAKA (Reuters) - Zambia is committed to ensuring that debt is contained within sustainable levels through continued austerity measures, President Edgar Lungu said on Friday.

HARARE (Reuters) - Zimbabwe on Friday fired more than 200 public sector doctors who have been on strike for more than two months demanding better pay to protect them from soaring inflation.