YIV, Apr 24 (AFP): Last month Pavlo Petrychenko, a junior sergeant in the Ukrainian army, issued a stark warning to President Volodymyr Zelensky about a dangerous vice sweeping the military. A surge in online gambling among serving soldiers has seen many lose their entire salaries, he said, pushing them and their families into debt. Some were even selling off army drones and thermal imaging cameras to feed addictions, compromising their own safety for a long-shot chance to strike it rich. Exhausted by more than two years of war, campaigners say online gambling is rife in the Ukrainian armed forces, a...