MOSCOW, March 21. /ITAR-TASS/. Russian bank Rossiya ('Russia') that came under Western sanctions is not related to events in Ukraine, Russian President Vladimir Putin told reporters on Friday. He instructed the Central Bank of Russia to give all necessary aid to this bank. Sanctions against bank Rossiya The US added to the black list another 20 Russian officials on 20 March. In addition, the USA included in the list the only legal entity – bank ‘Russia’ controlled by Yury Kovalchuk, arresting US-based assets of this crediting organization. On Friday, international payment systems Visa and MasterCard suddenly stopped service of cards...