US Democratic Party Debate

Las Vegas has been the scene of a Democratic party presidential candidates debate. The BBC's James Cook was there and gives his analysis.

Syria's Christian population has collapsed by more than half from a pre-war number of 1.25 million. Newsday's Lawrence Pollard has been speaking to Archbishop Jeanbart of Aleppo.

Prosopagnosia, more commonly known as face blindness, is a condition that means it is difficult to recognise faces. Many with the condition cannot even recognise family members or friends. The BBC's Yusta Seghete has been speaking to sufferers in Kenya and looking at what is being done to help them.

(Photo: Democratic presidential candidates Senator Bernie Sanders and Hillary Clinton take part in a presidential debate. Credit: Getty Images)