The five winning projects cover a wide range of topics, from the deepening crisis in Venezuela to sperm smuggling in Gaza.
At least two people are reported killed in the air strike near the city of Masyaf in Hama region in central Syria.
UN Secretary-General Antonio Guterres has warned of possible ethnic cleansing and a "humanitarian catastrophe" in Myanmar's Rakhine state.
'God kill him and curse him and do not bless him and show no mercy,' one YouTube user reportedly wrote in response to the video.
State media reports that troops advancing from the west broke the siege after IS defenses collapsed.
Russian Kalibr missiles targeted Islamists' command centre near Deir ez-Zor.
Gulf state gave 83 presents to US president during his first official foreign trip
Among new arrivals, about 16,000 are school-age children and more than 5,000 are under the age of five, aid workers say.
The US indicted 15 Turkish security officials for allegedly causing violence during a peaceful protest outside the Turkish embassy in Washington DC in May.
The week's best photos from around the world, from Houston's floods and Mumbai's building collapse to Notting Hill Carnival and the Hajj.
The liberation of Nineveh province comes months after the liberation of Mosul from Isis.
Three-year-old boy was allegedly shot from a vehicle equipped with a Mercedes-Benz engine.
Two million Muslims from around the world gathered at Mount Arafat on the outskirts of the holy city of Mecca.
The deadly strike on Sanaa killed 14 civilians, including six children.
US envoy to the UN Nikki Haley said Iran should allow IAEA to inspect its military, nonmilitary and undeclared nuclear sites.