Moscow is concerned Ukraine is stepping up its military operation against pro-Russian rebels despite having called a unilateral ceasefire, Foreign Minister Sergei Lavrov said Saturday.
"The fact that the so-called counter-terrorist military operation has intensified in parallel with the advancement of a peace plan is a cause for much alarm and concern," Lavrov said on a visit to Jeddah in Saudi Arabia.
Russia's top diplomat, quoted by RIA Novosti news agency, also said Ukrainian President Petro Poroshenko's peace plan announced on Friday did not go far enough.
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