Will the Syrian Cessation of Hostilities Hold?

A cessation of hostilities has come into effect in Syria, but how widely will it be observed? The Syrian army says it is implementing the truce, which began at sunset, but rebel groups have been more guarded. How have the first few hours gone and when might humanitarian groups be able to take action?

US Republican presidential candidate Donald Trump has pledged to release details about his health after his Democratic rival Hillary Clinton was diagnosed with pneumonia. Mr Trump said health had now become "an issue" in the election campaign.

South Sudan's political and military elite have made themselves rich while the country has struggled under a civil war of their making, a report says. Commissioned by actor George Clooney, the document accuses President Salva Kiir, opposition leader Riek Machar, and top generals of profiteering.