His troops in East Africa also had the Italians under pressure and at the end of March his forces in Eritrea under William Platt won the decisive battle of the campaign at Keren which led to the occupation of the Italian colonies in Ethiopia and Somaliland.
Desuden havde hans tropper i Østafrika italienerne under pres og i slutningen af marts vandt hans styrker i Eritrea under William Platt det afgørende slag i Keren som førte til besættelsen af de italienske kolonier i Etiopien og Somaliland. .