(AFP) – He is only 14 but already knows how to assemble a Kalashnikov rifle. Denis is a child soldier in the making — eager to join the pro-Russian militants fighting Ukrainian troops. “If I were an adult, I would fight,” the skinny boy with a dishevelled crew-cut said in a war-scarred town deep in the heart of the rebel-run east of the ex-Soviet state. “I want to see war, to learn how to shoot, to see the tanks,” he said with an air of excitement as two adult rebels stood nodding at his side.