On the 25th anniversary of the worst nuclear accident in history, Olga Betko travelled to Chernobyl - in her native Ukraine - to find the people who are living in the "dead zone".

The new HBO miniseries explores the events of the biggest nuclear power plant explosion in human history Trying to ... don’t even need to switch the channel. Chernobyl explores the aftermath ...

In a remote forest, a few kilometres from the Chernobyl power plant, the huge Duga-2 radar tower stands as relic of Soviet mismanagement. Video by Adrian Hartrick and Dominika Ozynska Follow BBC ...