The United Nations has confirmed that military forces are impeding humanitarian access to parts of Ethiopia’s war-torn Tigray region, after an exclusive CNN investigation revealed that Eritrean troops were coordinating with Ethiopian forces to cut off critical aid routes.The United Nations has confirmed that military forces are impeding humanitarian access to parts of Ethiopia’s war-torn Tigray region, after an exclusive CNN investigation revealed that Eritrean troops were coordinating with Ethiopian forces to cut off critical aid routes.