Crimea on a knife edge

By Tony Connelly, RTÉ Europe Editor As Russia intensifies its grip on Crimea, they are creating facts on the ground. But in this most surreal of struggles, facts are never what they seem. At the Perevalnoye naval base, there are two layers of militia preventing access in or an exit out, but many more layers of truth and myth over who is in charge, who are the heroes and who are the villains.