Memorial Day commemorations across the U.S.
More than 2.4 million Yemenis displaced by conflict between government, rebels
President Obama makes historic visit to Hiroshima, meets atomic bomb survivors
Sprawling migrant camp in Idomeni, along Greek-Macedonian border being evacuated this week
Protests, clashing in Bolivia over state benefit payments to those with disabilities
Relatives mourn as search crews look for signs of EgyptAir flight 804