Ukraine's Poroshenko says Minsk deal implementation will be difficult - RIA

BRUSSELS (Reuters) - Ukrainian President Petro Poroshenko told a news conference in Brussels on Thursday that the process of implementation in east Ukraine of a ceasefire agreed at a summit in Minsk will be difficult, RIA news agency reported.

"The talks were very difficult, we expect the process of implementation (of the agreement) will be difficult," he told a joint news conference with European Council President Donald Tusk.