Petro Poroshenko claims that pro - Russian forces have increased their attacks . Fighting continues in eastern Ukraine ahead of a truce due to come into effect soon . The peace plan hammered out Thursday during marathon four-way talks in Minsk , Belarus , had raised hopes of an end to the fighting . OSCE spokesman says he hopes to see a reduction in violence before the ceasefire .
Petro Poroshenko claims that pro - Russian forces have increased their attacks . Fighting continues in eastern Ukraine ahead of a truce due to come into effect soon . OSCE spokesman says he hopes to see a reduction in violence before the ceasefire .