Sergii Leshchenko: Last chance for Poroshenko
Ukrainian President Petro Poroshenko (back), Suma Chakrabarti (L), head of the European Bank for Reconstruction and Development (EBRD), and Ukraine's Minister of Ecology and Natural Resources Ostap Semerak attend a signing ceremony at the Chernobyl Nuclear Power Plant on April 26.
This month marks the two-year anniversary of Petro Poroshenko being elected president of Ukraine.