Heavy clashes on Saudi-Yemen border; Hadi government pleads for troops
Red Cross says one of its planes was prevented from delivering medical supplies in the capital Sanaa
UN says donors pledge $3.8 billion to Syria crisis
UN is seeking to help 18 million people inside Syria and those scattered throughout the region by more than four years of civil war
Can technology help rescue abducted women and girls?
Communication and satellite imagery could be used to locate those held hostage by extremist groups such as ISIS and Boko Haram
Children's lives at stake as donors meet for Syria summit - aid chiefs
"Wealthy donor countries must dig deeper into their pockets than they did last year" - Oxfam
Air strike kills at least 40 at Yemen camp for displaced
Houthi-controlled Saba news agency says the dead include women and children
UN Secretary General troubled by Iraq abuse claims, refugees
Ban expresses concern that neither Iraqi government nor world community was capable of taking care of the more than 2.5 million displaced Iraqis
Heavy fighting in Aden as Yemen's Houthis make gains
As two sides fight over President Hadi's last bastion, air strike in northern Yemen kills 21 people at refugee camp, aid workers say
Fighting in Aden as Yemen's Houthis make gains
Aden is President Hadi's last bastion of control and remains besieged despite fifth day of Saudi-led air strikes aimed at checking Houthi gains
Syria's Assad says Islamic State has expanded since start of U.S. air strikes
ISIS attracts 1,000 recruits a month in Syria, expands in Iraq, Libya, while al Qaeda affiliates announce allegiance - Assad