According to Russian state media, Russian authorities arrested Lieutenant-General Vadim Shamarin, deputy to General Valery Gerasimov, head of the army’s general staff, on suspicion of large-scale bribe-taking.

Is President Vladimir Putin continuing what appears to be a purge of his senior defense staff members?

The Kremlin escalated its crackdown on Russia’s top military ranks, with a new corruption arrest this week.

Russian authorities detained Lieutenant-General Vadim Shama...