The Economic Community of West Africa States (ECOWAS) on Wednesday announced the formal exit of junta-led Mali, Burkina Faso and Niger from the bloc following their withdrawal last year.

Three countries under military rule have officially left West African regional bloc Ecowas, after more than a year of diplomatic tensions. The withdrawal of Mali, Burkina Faso and Niger is a huge blow to Ecowas,

The three junta-led West African nations withdrawal is the culmination of a yearlong process during which the grouping tried to avert its unprecedented disintegration.

Mali, Niger and Burkina Faso were to officially quit the West African bloc Ecowas Wednesday, severing ties after years of strained relations that have reshaped trade routes in the Sahel.

France’s military withdrawals provide West African states with a long overdue opportunity to assert their sovereignty. But there’s a risk of authoritarianism and regime fragmentation.