Yuliya Tymoshenko

Twen­ty-five years on, the Cher­nobyl dis­as­ter has more to do with se­cre­cy than nu­clear safe­ty, politi­cian ar­gues.

The leader of Ukraine’s op­po­si­tion says the gains of the 2004 ‘or­ange rev­o­lu­tion’ are un­der threat.