Niger coup: Why are Western powers concerned?

The West African country has now faced its fifth coup since becoming independent.

It’s often seen by the US and France as a rare beacon of stability in the region.

Gen Abdourahmane Tchiani has declared himself the new leader of Niger after a dramatic coup.

So why are Western powers concerned about the unrest in the region?

The BBC's Aaron Akinyemi explains.

Produced and edited by Ameer Ahmed