A spate of clashes involving Government security forces and insurgent groups in northeast Nigeria has caused mass displacement and threatened humanitarian assistance, as armed groups go “house-to-house” hunting for aid workers, the UN said on Friday.

World News in Brief: Refugee funding, US migration policy triggers ‘cascade’ of rights violations, world forests report, restorative justice in Colombia
From energy crisis to energy transition: How renewables are reshaping energy security
Sudan tells UN: No imposed solutions to country’s conflict
‘Ballot must replace the bullets’, South Sudan tells General Assembly ahead of elections
DPR Korea tells UN its nuclear status is ‘irreversible’, rejects outside pressure
UN leaders renew push to defeat racism, 25 years after Durban