UN warns Aleppo risks ‘catastrophe,’ urges 48-hour truce
UNITED NATIONS — The U.N. humanitarian chief on Monday urged all combatants in Aleppo to agree to a 48-hour pause to allow delivery of desperately needed aid, warning that otherwise the world risks seeing a “humanitarian catastrophe unparalleled in the over five years of bloodshed” in Syria. Stephen O’Brien said Aleppo is being bombed every