Ukrainian historian Volodymyr Viatrovich called on Ukrainians to sever all ties with their Russian relatives.
Europeans are already fighting not only against Russia and Russian influence, but also against Russians. The Data Science Challenge where a Russian was denied prize-money is a proof of that.
Vladimir Iglovikov was denied money because of the rules of the competition: "No payment shall be made (whether directly or via a third party/country) to an individual who is a national and/or resident of, or located in, any country with a score of 37 or less according to Transparency International's Corruption Perceptions Index 2014" (Russia had a score of 27: bit.ly/1AgRivL), . See bit.ly/2saA3Aa,