Monday’s Daily Brief: US formally announces climate accord withdrawal, young foreigners stranded in Syria, India toxic smog crisis, Ebola worker death shows frontline risks

A recap of stories this Monday: UN reaction to US Paris Agreement withdrawal; UNICEF urges repatriation of children stranded in Syria; Public health emergency in India’s New Delhi; Ebola health worker death in DR Congo shows deadly risks; Guinea Bissau crisis, Security Council update; UNEP campaign targets ocean microplastics.