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Analyses | | Andrzej Wilk

On 24 November, a group of ships of the Ukrainian Navy, composed of two armoured artillery boats, the Berdyansk and the Nikopol (newly-constructed Giurza M-type units, which have been in service since…

Analyses | | Krzysztof Nieczypor, Andrzej Wilk, Jan Strzelecki, Wojciech Konończuk

Before midnight on 25 November, President Petro Poroshenko issued a decree at the request of the National Security and Defence Council of Ukraine to introduce…

Analyses | | Iwona Wiśniewska, Sławomir Matuszak, Jan Strzelecki

The Russian government imposed economic sanctions on Ukraine on 1 November by way of a decree passed by the president of the Russian Federation on 22 October. According to the document, the funds, securities and assets…

Analyses | | Jan Strzelecki

On 15 October, the Synod of the Russian Orthodox Church (ROC) decided to sever relations and eucharistic communion with the Ecumenical Patriarchate of Constantinople (PC). This decision is a reaction to the decision by…

Analyses | | Jadwiga Rogoża

On 14 September, the Synod of the Russian Orthodox Church suspended its working relations with Constantinople in response to Ukraine’s expected autocephaly.

OSW Commentary | | Krzysztof Nieczypor

The construction and opening in May 2018 of the Crimean Bridge has contributed to a worsening of Russian–Ukrainian relations in the Sea of Azov.

OSW Commentary | | Szymon Kardaś, Tadeusz Iwański

The awards by the Arbitral Tribunal have radically changed the model of Ukrainian-Russian gas relations.