On January 21, a separate attack on a Fulani camp near Mboki, in Haut-Mbomou, left at least 12 dead.
The taxes are also impacting the UN peacekeeping mission in South Sudan.
Peacekeepers responded to gunfire between two groups on Wednesday in Rumamier in southern Abyei.
On Wednesday, the UN peacekeeping mission in Lebanon (UNIFIL) said it was concerned about the security situation in the country.
Mali is struggling to stem an Islamist insurgency that took root after a 2012 coup and has since spread from the West African country’s arid north.
