The Synod of the Russian Orthodox Church Outside Russia has ruled to "suspend the service at the hierarchical level with the Orthodox Church of Constantinople and the participation of the Russian Orthodox Church Outside Russia in the work of the Episcopal Assemblies."
Later in the day, Ukrainian Orthodox Church also announced its decision to suspend joint services with Constantinople patriarchate's hierarchs after a Synod meeting in the Kiev Pechersk Lavra.
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Relations between the Moscow Patriarchate and the Ecumenical Patriarchate of Constantinople deteriorated due to Ecumenical Patriarch Bartholomew's decision to appoint his episcopal representatives in Kiev within the framework of preparations for granting autocephaly to the Orthodox Church in Ukraine.
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The Russian Orthodox Church Outside Russia is a semi-autonomous part of the Russian Orthodox Church, which has an estimated membership of over 400,000 people worldwide.