In the two English-speaking regions of southern Cameroon, the country's regular army has been fighting secessionist armed groups in an asymmetric war for the past three years. In October 2017, English-speaking separatists declared a breakaway state known as "Ambazonia". The armed insurgency has turned into a guerrilla war, killing thousands of people, displacing nearly 700,000 more and leaving millions of civilians trapped. FRANCE 24 brings you a rare glimpse of one of Africa's forgotten humanitarian tragedies.