Deadly flash floods hit Jordan's iconic city of Petra
Video shows the moment deadly flash floods swamped the ancient city of Petra in Jordan.
Bricks made using urine invented by South African scientists
Scientists in South Africa have come up with an innovative way to make bricks from urine.
Isaac, one of 1,000s of Central American migrants walking to US border
A caravan of migrants who claim they are fleeing poverty and violence is making its way to the US border.