Trilateral negotiations between the delegations of Russia, the United States and Ukraine began in Abu Dhabi. At the beginning of the meeting, the head of the Russian group, Vladimir Medinsky, thanked the American partners for their peacekeeping efforts and noted the expansion of the Russian delegation, writes Kommersant. Before the summit, the Ukrainian side held consultations with representatives of the European Union and NATO, but according to Interfax citing the Russian Foreign Ministry, European diplomats are not taking part in the main negotiation process.