Russia's War Against UkraineVestnik Kavkaza: Ukraine will never be a federation – PoroshenkoBy Vestnik Kavkaza. Published Feb. 4, 2015 at 9:19 am President Poroshenko speaks during the press conference on Dec. 29, 2014. Photo by president.gov.uaUkraine will remain a unitary state, President Petro Poroshenko said on Feb. 3. Read more here