Russia plane crash: What now for Wagner after Prigozhin's reported death?

It became central to Russia's war effort in Ukraine and Prigozhin's troops helped to spread Russian influence across the globe, propping up allies of President Vladimir Putin in Africa and Syria.

Now his reported death has sparked a flurry of speculation about the group's future.

Western security officials are wondering who will take his place and what will happen to the mercenaries he once led.