The decision came in response to a case filed by opposition candidate Jean Ping and follows weeks of opposition demonstrations and international pressure
The alleged militant was arrested this week and taken to a police station near the Kenyan border with Uganda, where he grabbed a gun from a guard and opened fire.
The al Qaeda affiliated Islamist militant group al Shabaab has claimed responsibility for the car bombing and hours-long siege at Hotel Ambassador, which left at least 16 people dead.
The verdict caps a 16-year battle by victims and rights campaigners to bring the former strongman to justice in Senegal, marking the first time that the former head of one African nation has been tried by a court in another country.
Kenya's military announced that its soldiers struck a group of al-Shabaab fighters near the Kenyan border in western Somalia, killing 21 militants.
While Burundi wallows in political upheaval, the United Nations has watched its government repress protests as dissidents and members of the opposition are tortured, killed, or disappeared.
Reports of the early morning incident came from both al Shabaab and a Somali official saying foreign soldiers from an unnamed country traveled by helicopters and landed near the militant's base 30 miles outside Mogadishu.
Hassan Hanafi, a 30-year-old former media officer for the militant group, was sentenced on Thursday for the murder of six journalists in the East African country.
President Pierre Nkurunziza has finally agreed to let the international community intervene in Burundi's crisis, but regional experts and members of the political opposition have expressed their doubts.
Various groups have documented the use of metal containers as informal detention sites in South Sudan. The latest incident was among five violations of the ceasefire signed in August that a monitoring group described in a submission to the African...
Plans to send AU troops into Burundi, with or without the government's consent, began to unravel over the weekend as several African leaders said they would not support the proposal.
Amnesty International says security forces buried the bodies of rebels after an attack on a government base as the African Union urges the president to accept peacekeeping forces to prevent further violence.