Violence escalates in east Ukraine ahead of talks

KIEV (Reuters) - Ukraine's military accused pro-Russian rebels on Monday of using heavy weapons that were meant to have been withdrawn under a ceasefire deal, after one Ukrainian serviceman was killed and six wounded in rebel-held territories.

With fighting intensifying once more, the foreign ministers of Ukraine, Russia, France and Germany were due to meet in Berlin later on Monday to discuss the next steps in implementing a ceasefire agreement signed in the Belarusian capital Minsk in February.