Greek PM assures EU creditors reforms coming to unlock cash

By Renee Maltezou and Alastair Macdonald BRUSSELS (Reuters) - Greek Prime Minister Alexis Tsipras assured European Union creditors at late-night crisis talks in Brussels that his leftist-led coalition would present soon a full set of economic reforms in order to unlock cash to stave off bankruptcy. After two months of mounting frustration on both sides since Tsipras was elected with a mandate to end years of austerity imposed by creditors' conditions, the three-hour meeting on the sidelines