Vladimir Putin's army: Mercenaries and foreign troops form second wave of fighters in Ukraine - The Telegraph
- Vladimir Putin's army: Mercenaries and foreign troops form second wave of fighters in Ukraine The Telegraph
- Military briefing: Why Russia is deploying more troops to Ukraine Financial Times
- Why has Russia invaded Ukraine? The conflict simply explained The Independent
- The Kremlin is resorting to mercenaries and Syrian 'volunteers' to bolster Ukraine invasion iNews
- Why Ukraine's battle for survival may be far from over CNN
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