Militants have kidnapped at least 78 students from a Christian school in northwestern Cameroon. The governor of North West Region said the kidnappers also seized the school’s leader. Separatists are fighting an armed campaign in the area as they seek to set up an independent state called Ambazonia. The Associated Press reported a video was posted on social media claiming to show some of the kidnapped children. Men calling themselves Amba Boys reportedly posted the video. Hundreds of people have been killed in English-speaking areas of Cameroon in the past year, as violence increased between armed separatists and the military. Government forces have fought separatists in Cameroon’s North West and South West regions. The separatists have ordered curfews and closed down schools to protest President Paul Biya’s French-speaking government.