hydra

“Like the hydra, you can cut off my head and hold it up for the world to see, but two more will quietly appear and be working in the shadows,” Meyer wrote to Moore.

"We are fighting the hydra that is the Muslim Brotherhood, because it creates an atmosphere of jihadism," the politician told conservative TV channel CNews.

Non-state organisations tend to operate like a hydra's head - one operational commander or figurehead leader gets removed and they are quickly replaced by another.

"We are fighting the hydra that is the Muslim Brotherhood, because it creates an atmosphere of jihadism," he told right-wing news channel CNews.

"We have to look at Wagner not only as a single man but as an ecosystem, as a hydra with many many heads and many diverse interests in Africa."