At a press conference after the talks, Macron said he would send 220 more soldiers to reinforce France's 4,500-strong Barkhane operation, tasked with training and assisting under-equipped and strained local forces.
The Iraqi parliament voted on 5 January to oust foreign forces, including some 5,200 American troops, who have helped local troops beat back the Islamic State group, angering Trump and throwing worldwide operations there in doubt.More news: Kentucky Police arrest GM engineers street racing C8 Chevy Corvettes
- On May 14, 28 soldiers are killed near Tillaberi in Niger's same border region with Mali and Burkina Faso after an ambush.
Macron called the summit with West African leaders following a helicopter collision during a combat operation in November that killed 13 French soldiers fighting Islamic extremists in Mali near the Niger border.
President Roch Marc Christian Kaboré of Burkina Faso has described Macron's recent insistences as "lacking in tact".
UN Secretary-General Antonio Guterres will attend the summit´s dinner, along with European Council President Charles Michel, European Union foreign affairs chief Josep Borrell and African Union Commission chief Moussa Faki Mahamat.More news: Seattle TV station reports that Vikings, not 49ers, actually won Saturday's game
The Niger government has declared three days of national mourning after 89 soldiers were killed in an attack on a military base, a government spokesman said.
Mali's Keita has said the summit will be "decisive" and "will allow us to put on the table all the questions, all the grievances, all the solutions".
The decision was made by a cabinet meeting shortly before Nigerien President Mahamadou Issoufou left for Pau, southwestern France, for a summit on the crisis in the Sahel.
Niger said it would launch a new military offensive against militants, but past campaigns have failed to curb violence despite the presence of French and American troops.More news: Teenager discovers new planet on third day of internship at NASA
"Last year, military operations in Mali pushed more than 80,000 people to flee".