France has suspended counterterrorism cooperation with Mali and ordered two staff members from Mali’s diplomatic mission in Paris to leave, in the latest rupture between the two countries after the arrest of a French national in Bamako.

The move, reported by Al Jazeera on the event date, followed Mali’s detention of Yann Vezilier last month on accusations that he was involved in a coup plot. Malian authorities claimed he acted on behalf of French intelligence, while France said he was a member of its embassy in the capital.

The diplomatic escalation has proceeded in parallel on both sides. France declared two Malian embassy and consulate staff members persona non grata and said they had to leave the country. Mali, in turn, declared five French embassy staff members persona non grata. The tit-for-tat expulsions underlined just how far the relationship has deteriorated.

French officials said the suspension covers counterterrorism cooperation, one of the few practical areas where Paris and Bamako had continued to work together despite broader political hostility. The report said the French foreign ministry also told Mali that “other measures” could follow if Vezilier was not released quickly. A French diplomatic source said the two expellees had been told to leave in response to the arrest.

The dispute sits inside a much larger breakdown in relations. Mali was once one of France’s closest security partners in the Sahel. That changed after military officers seized power nearly four years ago, expelling French forces and pivoting toward Russian security support under President Assimi Goita.

The security backdrop remains grim. The report said Mali has been mired in a crisis since 2012, fuelled by armed groups linked to al-Qaeda and ISIL as well as local criminal gangs. The country’s military rulers have repeatedly promised a return to civilian rule, but those commitments have slipped. In June, Goita extended his rule for another five years, further deepening concerns about political transition.

France’s position suggests that it still sees leverage in diplomatic pressure, even as the strategic relationship erodes. By suspending counterterrorism cooperation, Paris is signalling that the bilateral security relationship cannot be treated as separate from the detention of one of its nationals.

For Mali, the arrest of Vezilier appears to be part of a broader narrative about foreign interference. For France, it is a test of whether a residual diplomatic and security channel can survive when both governments are willing to escalate quickly.

Neither side appears interested in lowering the temperature. Instead, the exchange of expulsions and the suspension of cooperation point to a relationship moving further away from the shared counterterrorism framework that once defined it.