Burkina Faso is one of the poorest and most volatile countries in Africa.
Restive Nigerians are lining at ATMs across the country seeking to access the new notes.
Shootings are common in South Africa, which has one of the world's highest murder rates, fuelled by gang violence and alcohol.
Leaders who attended the event called on the African Union Commission and the AfDB to help mobilise more funding.
US says the visa restrictions are specific to “certain individuals” and are not directed at the government of Nigeria.
