Chris Olguin spotted a small fawn struggling to keep its head above water, separated from its mother and slowing down fast.

The other twin is gone, a casualty of malnutrition and the international funding cuts that are snapping the lifeline for displaced communities in Nigeria’s insurgency-ravaged Borno state.

A Malnourished child receives treatment at the Intersos facility, an Italian humanitarian organization, the only remaining facility providing in-patient services for malnutrition in Maiduguri ...