(UN News Centre) – The number of children involved in ‘suicide’ attacks in Nigeria, Cameroon, Chad and Niger has risen sharply over the past year, from 4 in 2014 to 44 in 2015, according to a United Nations Children’s Fund (UNICEF) report released today. The report, entitled Beyond Chibok, is being published two years after the abduction of more than 200 schoolgirls in the town of Chibok, in Borno State, Nigeria, and shows alarming trends in four countries affected by Boko Haram over the past two years.