Four years of failed rains in the Horn of Africa have led to the worst drought in four decades. Coupled with Russia's war in Ukraine which is pushing up the prices of grain and fuel to unprecedented levels, we’re exploring if a humanitarian disaster is on the horizon. On the Sky News Daily, Niall Paterson speaks to our international affairs editor Dominic Waghorn, who’s been in Somaliland, and Sir Mark Lowcock, former UN under-secretary general for Humanitarian Affairs, about the crisis and what can be done to help. Producer: Soila Apparicio Digital producers: Emma Rae Woodhouse and Casey Magloire Editor: Philly Beaumont