Foreign fighters who have joined Ukrainian forces battling Russia's invasion have been shocked by the brutality of the war and some say that disillusionment is creeping in. "They fought in Afghanistan or in Iraq and say they aren't ready" for what they face in Ukraine, says Polak, of his Western comrades who have signed up to fight. Polak -- whose nationality AFP is withholding to protect his anonymity -- estimates there are "perhaps several hundred" foreign fighters who have taken up arms for Kyiv since the invasion began. "Honestly, we have quite a few cowards" serving in the International Legion...