More than 100 CAR refugees crossed the volatile border to south-eastern Chad over the weekend, joining over 6,800 others who began arriving earlier this year in two sites near the remote Daha village registered by the UN High Commissioner for Refugees (UNHCR). Another 2,500 new arrivals are sheltering just across the border in the Chadian village of Massambaye, 125 kilometres east of Daha.

A prominent Gambian opposition figure arrested on 8 March and later charged with sedition and spying, was unconditionally released on Friday. Halifa Sallah is believed to have been arrested for articles he wrote for the main opposition newspaper Foroyya, which claimed that witch doctors accompanied by members of the army, police and the National Intelligence Agency (NIA) including “the green boys” - Gambian President Yahya Jammeh's personal protection guards - were identifying people as witches.

Major floods in late 2008 and 2009 have plunged southern Africa into a growing humanitarian crisis, killing dozens and displacing thousands. The Zambezi River Basin is affected annually by floods, bringing death and disease to those living along the banks. The fourth largest river in Africa, has its source in Zambia and flows through Angola, back into Zambia, and along the borders of Namibia, Botswana and Zimbabwe to Mozambique, where it empties into the Indian Ocean.

Hundreds of thousands of Somali refugees will face a humanitarian emergency this year, unless urgent steps are taken to deal with a serious public health crisis unfolding in the Dadaab refugee camp in northern Kenya, international agency Oxfam has warned in a new report.