evidence: The peacekeepers had been in place since 2010 as part of efforts to resolve a dispute over the status of Dumeira Mountain and Dumeira Island, claimed by both Djibouti and Eritrea. The tiny Dumeira Island lies just off the coast of the two countries, at the southern end of the Red Sea. It is close to the Bab-el-Mandeb strait, an important shipping lane for global commerce.