It began as a squabble between Arab allies, but the standoff between Qatar and its neighbours is threatening to engulf the Horn of Africa. When Saudi Arabia, the United Arab Emirates, Egypt, Bahrain, Yemen and the Maldives declared at the beginning of June that they were severing diplomatic relations with Qatar it appeared to be of interest mainly to the Arabian Peninsula - and the Gulf in particular.
The Saudis and their allies accused Qatar of backing international terrorism. The US, which has the Al Udeid air base in Qatar, looked askance, but did little more than use its good offices to try to ensure that the war of words did not flare into an open conflict.
But the countries just across the Red Sea have found themselves dragged into the dispute. After prevaricating for some time, Eritrea, which had hitherto good relations with Qatar, fell into line with the Saudis and broke ties with Qatar. readmore