Vasyl Krutov, head of the government’s anti-terrorist center, said that the increased fighting in the east did not appear to be short-term, but 'essentially a war.' Violence between pro-Russian and pro-Ukrainian demonstrators in Odessa left 42 dead and 125 injured on May 3.
Russia's War Against Ukraine
New York Daily News: Ukraine official declares civil war in progress as 42 are killed in fiery street fight

Pro-Ukrainian football fans clash with pro-Russian activists who allegedly attacked them prior to a Ukrainian Premier League football match Chornomorets Odessa vs Metalist Kharkiv in Odessa on May 2.