Russian Prime Minister Dmitry Medvedev on August 12 said that Moscow could formally sever diplomatic ties with Kyiv after reported clashes between Russian forces and alleged Ukrainian "saboteurs" in the annexed Crimean Peninsula.
Deutsche Welle: Russia threatens to sever ties with Ukraine amid rising tensions in Crimea
Armed pro-Russian rebels of the self-proclaimed Donetsk People's Republic sit atop their armoured personnel carriers during rehearsals for the Victory Day parade in Donetsk on May 5, 2015.
