CLEAN : Gao residents fear French withdrawal

The video discusses the security situation in Gao, Mali, where Islamist rebels previously controlled the area. French and African troops are working to stabilize the region, with plans to extend security perimeters. The Malian army, with international support, is rebuilding to ensure security, especially during elections. Civilians have returned to Gao, but concerns remain about future stability if French troops withdraw. A UN force may eventually take over security responsibilities.

What are the concerns of the civilians regarding the French troops' presence?

What is the significance of the UN force mentioned in the text?