While this rumor might have been disregarded as a bad joke, the Russian media has started to circulate these reports. The notorious Russian news agency Lifenews, which is known for its special relationship with the Russian security services and regularly runs leaks from them, also reported the rumor of Chechens in Maidan.
The Jamestown Foundation: Moscow plays the Chechen card in Ukraine
For the past several days, those hostile to the Ukrainians protesting against President Viktor Yanukovich on Maidan Nezalezhnosti (Independence Square) in Kyiv spread rumors alleging the presence of Chechens in the ranks of the opposition (http://pravdatoday.info/content/zulihan-tut-nastoyashchaya-geopoliticheskaya-bitva-ishod-kotoroy-zatragivaet-i-nas).