Mauritanians are voting for the first time since the country gained independence from France in 1960.
The 62-year-old is standing down after serving the maximum two five-year elected terms.
However the status quo is likely to prevail when a new leader is elected.
Abdel Aziz has expressed his support for Mohamed Ould Ghazouani, who is a former general and defense minister.
US, German scientists win Nobel medicine prize for work on light and brain
American Karl Deisseroth and Germans Peter Hegemann and Georg Nagel won the 2026 Nobel Prize in Physiology or Medicine on Monday for developing optogenetics, a technique that uses light to control individual nerve cells in the brain.
Nigeria military aircraft crashes with 32 aboard
A Nigerian military plane flying from Benin City to Lagos crashed on Monday in southwestern Ondo state, killing 25 passengers and seven crew members.
At least 22 dead after boats collide on Congo river
At least 22 people have died after two boats collided on the Congo River in the Democratic Republic of Congo.
Spanish PM Sanchez calls snap election for November 29
Spanish Prime Minister Pedro Sanchez called an early election for November 29 on Monday, in a bid to strengthen his mandate after a fragmented parliament rejected the government's key housing decrees last week amid widespread protests.
Hundreds of French schools stay closed ahead of nationwide day of student protests
Hundreds of French high schools will begin a second week of closures on Monday as protests over dilapidated schools and classrooms, overcrowding and teacher shortages precede a nationwide day of demonstrations on Tuesday.
Mr Know It All
Teddy Swims
Lean On
Major Lazer & Dj Snake Ft. Mo
Kakalika
Dopenation
