UN's Ban: Climate change 'defining issue of our time'
United Nations Secretary-General Ban Ki-moon marches with hundreds of thousands of people in New York for the international day of action on climate change. Rough Cut (no reporter narration).
Pope Francis is greeted by cheering crowds in predominantly Muslim Albania on his first official European visit, before launching his strongest criticism of Islamist militants to date. Vanessa Johnston reports.
As Angelina Jolie has revealed her $250,000 engagement ring, check out our list of the top ten most expensive celebrity engagement rings, from Beyonce to Paris Hilton and Jennifer Lopez to Heidi Klum.