Rosenberg: Russian President Putin’s military purge echoes Prigozhin’s call to act BBC.comRussia Detains Another Defense Official, in New Sign of Putin Shake-Up The New York TimesTwo more Russian officials arrested in widening military corruption probe ReutersRussia arrests another general on bribery charges Al Jazeera EnglishFourth Top Russian Defense Official Detained as Purge of Military Leadership Expands The Wall Street Journal