"Another evidence of Russian aggression: I showed photo of UAV of Russian Armed Forces Orlan-10, which carried out flights over Ukraine, with starting positions in the Russian city of Yeisk, and its flight route," Klimkin wrote.

As UNIAN reported earlier, Minsk is hosting a meeting of ministers of foreign affairs of Ukraine, Germany, France and Russia: Pavlo Klimkin, Frank-Walter Steinmeier, Jean-Marc Ayrault, and Sergei Lavrov.

Read alsoKlimkin calls "alternatives" to Minsk pactEarlier Klimkin accused Russia of failing to implement Minsk agreements. He tweeted that over the past month alone, the Ukrainian positions were shelled with 132 tonnes of ammunition. He also earlier noted that without closing the border with Russia in Donbas, armed provocations against the AFU would never cease.