LKS 20150827 SUP9413; Servicemen walk past anti-tank mines set on the position of Ukrainian forces in the Lugansk region on August 27, 2015.Ties between the EU and Russia remain at their lowest ebb over the conflict in Ukraine, ahead of a series of key talks including a visit by President Petro Poroshenko to Brussels on August 27. Renewed fighting in eastern Ukraine between pro-Moscow rebels and Kiev's government forces has made a mockery of a February ceasefire, while the European Union has renewed tough sanctions against Russia. LEHTIKUVA / AFP PHOTO / ANATOLII STEPANOV

Venäjän sotilaallinen läsnäolo Ukrainassa on muuttunut radikaalisti kesän aikana, Ukrainan turvallisuusneuvosto kertoo.

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