Rebels and Syrian government forces battle in fierce clashes near Aleppo - monitor
Monitors say this might mark breakdown in fragile cessation of hostilities.
More migrants return to Turkey from Greece under EU pact
Migrants sent back to Turkey as part of EU deal to stem mass migration to Europe across the Aegean Sea
INSIGHT-Syria's Assad shows no willingness to compromise
Threatened by rebel advances last year, Assad is now pumped up with confidence after Russian air strikes reversed the tide
SPECIAL REPORT - Al Qaeda emerges stronger and richer from Yemen war
If Islamic State's capital is the Syrian city of Raqqa, then al Qaeda's is Mukalla, a southeastern Yemeni port city of 500,000 people
Amnesty says "serious flaws" mar Greek side of EU-Turkey migrants' deal
Refugees, migrants held in "appalling" conditions with limited access to legal aid, doctors, information
Rights group, tribes urge Iraqi forces to save 'starving' Falluja
"The people of Falluja are besieged by the government, trapped by Islamic State, and are starving" - Human Rights Watch
INTERVIEW - How psychology can help end a war, even Syria's
Humiliation and self-esteem play significant roles in prolonging conflict, making it hard for leaders to retreat
Climate data since Vikings cast doubt on more wet, dry extremes
20th century unexceptional for rainfall and droughts despite assumptions warming would stoke more extremes