In this handout photo provided by the Ukrainian Presidential Press Office, Ukrainian President Volodymyr Zelenskiy speaks to media at a briefing after the Security Council meeting in Kyiv, Ukraine, Tuesday, Feb. 18, 2020. Ukraine and Russia-backed separatists are blaming each other for an outbreak of fighting in the country's rebel-held east. Ukraine's Army Chief of Staff Ruslan Homchak, right, and the Secretary of the National Security and Defense Council Oleksiy Danilov, left, listen. (Ukrainian Presidential Press Office via AP)