According to CoinMeta, based on information released by the Russian Foreign Ministry, on September 30th local time, Russia summoned the Danish ambassador to Russia to protest against the actions of Danish military helicopters that violated international law in September. On September 14th, the Russian naval frigate "Mistral" was on mission in neutral waters of the Baltic Sea when a Danish Air Force helicopter approached the Russian warship. To prevent provocation, the commander of the Russian frigate ordered the firing of two red flares.