Iraq crisis: An 'uneasy calm' in Baghdad

As Iraq threatens to divide along sectarian lines amid the offensive by Isis, Gabriel Gatehouse finds an "uneasy calm" in the country's capital, Baghdad.

Some people are leaving the city to head north to join the fight against Isis (the Islamic State in Iraq and the Levant), while others are leaving because they are scared to stay.

For those staying put, life goes on, but against a backdrop of shifting frontiers in the Middle East, as our correspondent reports for BBC Newsnight.