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Two years later, Dmitry returned to Russia, only to find his lands ravaged by the Mongols and his brother Andrey. Thereupon he went to the Black Sea and met Nogai Khan, who was the greatest enemy of the Golden Horde at that time. Wishing to increase his authority in Russia, Nogai vowed to support Dmitry in his struggle for the grand ducal throne. On hearing about this, Andrey renounced his claims to Vladimir and Novgorod and returned to Gorodets.