Krasnodar territory: Cossack Evgeny Panchuk, who was excluded from the Cossack society of Ekaterinodar district for supporting opposition leader Alexei Navalny, joins another Cossack society; Panchuk had also claimed, that Cossacks had been asked to block the opening of Navalny's office in Krasnodar on 8 April 2017