Simon Mann has vowed to testify against Sir Mark Thatcher, who he alleges was a co-conspirator in the Equatorial Guinea coup plot.
Madagascar’s armed forces are on maximum alert, the government said on Friday.
Military police in Guinea-Bissau on Friday killed a government minister who was to be a candidate in presidential elections.
Madagascar was suspended from the African Union and threatened with sanctions on Friday, days after the army-backed toppling of the president.
The Mauritanian deputy speaker of Parliament called on Monday for more ”understanding” following African Union sanctions against the country.
The UN late on Sunday welcomed reports that Mauritanian President Sidi Ould Sheikh Abdallahi had been released from house arrest.
Police broke up an anti-government march by beating protesters with clubs and launching tear gas into the crowd in Mauritania’s capital, Nouakchott.
The military coup leader who seized power in Mauritania last month has rejected an African ultimatum to reinstate the president.
Most of Mauritania’s political parties on Monday joined forces to back this month’s military coup, as a rally supporting the coup drew thousands.
Two days after Pervez Musharraf seized power in a bloodless coup in 1999, a poll in Pakistan revealed that 75% of Pakistanis supported the takeover.
Deputies in Mauritania’s National Assembly have called for special moves that could open the way for a trial of the ousted president.
Mauritania’s new ruling military junta named Moulaye Ould Mohamed Laghdaf, a former ambassador to Belgium, as prime minister on Thursday.
Al-Qaeda’s North Africa wing has called for a holy war in Mauritania to establish Islamic rule after a military junta toppled the country’s president.
The leaders of Mauritania’s coup bowed to international pressure on Monday and released the prime minister and three other high-ranking officials.
Mauritania’s coup leader said his junta will continue to hold the deposed president for ”security reasons” and urged understanding.
Mauritania’s coup leaders have announced they will appoint a government to run the country until new elections.
The army general who successfully toppled Mauritania’s government staged a show of force on Thursday.
Leaders of a military coup in Mauritania said they would hold ”free and transparent” presidential elections ”in the shortest time possible”.
Presidential guardsmen seized Mauritanian President Sidi Mohamed Ould Cheikh Abdallahi in a coup on Wednesday after he sacked several army officers.
Simon Mann, the British mercenary who attempted to organise a coup in Equatorial Guinea, was sentenced to 34 years in prison on Monday.