A deputy chief of the Russian military general staff has been arrested on charges of large-scale bribery, Russian news reports said Thursday, the latest in a series of bribery arrests of high-ranking military officials. The arrest of Lt. Gen. Vadim Shamarin followed the arrest earlier in the week of Maj. Gen. Ivan Popov, a former top commander in Russia’s offensive in Ukraine, also on bribery charges. In April, Deputy Defense Minister Timur Ivanov was arrested for bribery. Ivanov was a close associate of Sergei Shoigu, whom President Vladimir Putin dismissed as defense minister soon after Putin’s inauguration to a new...