During his Senate confirmation hearing in January, US Secretary of State Antony Blinken warned that the dispute between Egypt, Ethiopia and Sudan over the Grand Ethiopian Renaissance Dam could "boil over," promising that the United States would be "fully engaged" in the Horn of Africa.
The dispute has been approaching high diplomatic boil. Talks mediated by Democratic Republic of Congo President Felix Tshisekedi, the current head of the African Union, collapsed without agreement April 6.