BAGHDAD, Iraq (CNN) -- Facing mounting pressure to bow out, Iraqi interim Prime Minister Ibrahim al-Jaafari said Thursday that he would step down if members of his Shiite bloc say they want a new candidate.

CNN: Iraqi interim PM tells party he'd step down

Carter's call for African leaders to step up pressure on Mugabe came a day before Tsvangirai asked South Africa's Mbeki to bow out as mediator between the MDC and Zanu-PF.

CNN: Carter: Cholera-, inflation-ridden Zimbabwe 'a basket case'