but as nick schifrin reports, the ethiopian government seems determined to target tray. >> schifrin: the army's newest recruits wrap themselves in the ethiopian flag. they pledge to give their blood, literally, in a war the government calls existential. >> ( translated ): our recruits shall ry the enemy and make sure ethiopia's sovereignty is respected. >> schifrin: that enemy is in tigray in northern ethiopia, led by the local government tigrayan people's liberation front, or t.p.l.f. today ethiopia's federal government is waging war against tigray not with arms, but food. five million tigrayans don't have the means to eat, and rely on aid. but many world food program trucks are blocked by the ethiopian government. the last convoy allowed into tigray was three weeks ago, a fraction of what's needed, to stop starvation. >> this is a really large humanitarian disaster. >> schifrin: marixie mercado of unicef just returned from tigray. she saw an acute crisis. last month hundreds of tigrayan women lined up with the most vulnerable victims. unicef says over the next year 100,000 tigrayan