ACCRA, Aug 18 (Reuters) - Ghana sold 1.38 billion cedis ($313.58 mln) worth of a five-year domestic bond on Friday at a yield of 18.25 percent, lead arranger Barclays Bank Ghana said.

BAMAKO (Reuters) - A Malian court on Friday began the trial of an Islamist former police chief accused of committing amputations during an occupation in 2012-13 by rebels who imposed a harsh form of Islamic law.

OUAGADOUGOU (Reuters) - A roadside bomb in northern Burkina Faso on Thursday killed three soldiers and wounded two, the military said.

NAIROBI (Reuters) - As disputes raged over the presidential results from Kenya's election last week, a little-noticed democratic revolution blossomed in the layer of government directly underneath.

BERLIN, Aug 18 (Reuters) - Eintracht Frankfurt on Friday signed midfielder Kevin-Prince Boateng on a two-year deal with the former Ghana international returning to the Bundesliga after quitting Spain's Las Palmas.

DAKAR (Thomson Reuters Foundation) - Boko Haram militants are ramping up attacks on sites sheltering people uprooted by the jihadists' insurgency in northeast Nigeria - pushing the displaced from "one hell into another" - a leading aid agency said on Friday.

TUNIS (Reuters) - Tunisia's interim finance minister, Fadhel Abdelkefi, told local radio on Friday that he was resigning from the government over a conflict of interests case in which he has been fined and handed a suspended prison sentence.

GENEVA (Reuters) - The rising flow of migrants to Spain from North Africa could evolve into a "big emergency" if the pace continues, the U.N.'s migration agency said on Friday.

MALANJE, Angola (Reuters) - On a hot morning in August, João Lourenço, a man more used to army barracks and the closed doors of party politics, rose awkwardly to address thousands of rural supporters.

JOHANNESBURG (Reuters) - South Africa is planning to grant diplomatic immunity to Zimbabwe's First Lady Grace Mugabe, allowing her to return to Harare and avoid prosecution for the alleged assault of a 20-year-old model, a government source said on Friday.

NAIROBI (Reuters) - Grenade attacks on two bars killed at least three people and wounded 27 others in the Burundian capital of Bujumbura, police and hospital sources said on Friday.

MOMBASA, Kenya (Reuters) - Suspected members of Somalia's al Shabaab Islamist group beheaded at least three men overnight in an attack on a Kenyan village, authorities said on Friday, a month after nine were killed in a similar way nearby.

NAIROBI (Reuters) - A Kenya police monitor has begun investigating at least 28 deaths following last week's disputed elections, and investigators have already attended the autopsies of a young girl and a baby allegedly killed by the police, officials said on Thursday.

DAKAR (Thomson Reuters Foundation) - A mudslide which devastated Sierra Leone's capital Freetown this week, killing about 400 people and leaving more than 3,000 homeless, has raised questions about deforestation, urban planning and disaster preparedness in the West African nation.

BARCELONA (Reuters) - A manhunt was underway for the driver of a van that mowed through crowds of tourists on Barcelona's most famous avenue on Thursday, killing at least 13 people in an attack that was claimed by Islamic State.

NAIROBI, Aug 18 (Reuters) - The following company announcements, scheduled economic indicators, debt and currency market moves and political events may affect African markets on Friday. - - - - - EVENTS: *RWANDA - President Paul Kagame to be sworn in for third term in office after winning elections earlier this month. *MAURITIUS - The central bank auctions 364-day Treasury bills worth a total 600 million rupees. GLOBAL MARKETS Asian stock investors joined a global retreat from r