EMELINE WUILBERCQ EFFORTS to stop abuse and forced begging of pupils at Islamic schools in northern Nigeria are at risk as the economic fallout from the coronavirus pandemic could push more struggling families to enrol their children, according to campaigners. The Islamic schools, known locally as almajiri schools, are estimated to host about 10 million children - mainly boys - and hit headlines in 2019 when a series of police raids on the institutions uncovered widespread physical and sexual abuse. Nigeria's northern governors agreed last April to close the schools and send pupils back home due to concerns over COVID-19, which…