Twitter has acknowledged that a day-long block of one of the New York Times’s accounts was imposed in error.
Mugabe’s signed resignation letter was read out on Tuesday, as parliament heard a motion to impeach him.
Robert Mugabe’s face “glowed” with relief when he agreed to step down as Zimbabwe’s president last week under pressure from the military and his party after 37 years in power, the priest who mediated his resignation said.
North Korea appears to be fortifying its border in the Demilitarised Zone (DMZ) with the South, days after a soldier defected by running across.
A US diplomat to South Korea has tweeted a picture showing workers digging a trench. The defector was shot multiple times by border guards from the North at the spot last week.
South Korea has handed out medals to its soldiers who helped rescue the wounded defector.
A South African court has increased Olympic athlete Oscar Pistorius's jail sentence for killing his girlfriend to 13 years and five months.
Prosecutors had argued that the six-year term for murdering Reeva Steenkamp was "shockingly light".
Ms Steenkamp's parents were "emotional" as they watched the ruling at home on TV, a spokeswoman said.