Footage taken from outside the prison complex in Edo, southern Nigeria, shows men clambering over the barbed prison fences as chaos breaks out on the streets below.
Lionel Zinsou has conceded defeat to Patrice Talon after a closely fought election in the West African state.
South African and former Soviet Union mercenaries training and advising military for pre-election offensive.
Jihadists attempt to sneak out of Baga town wearing women's clothes as the military campaign escalates.
Niger's parliament approves the deployment of more than 3,000 troops to tackle Boko Haram in northern Nigeria.