The Democratic presidential hopefuls clash at a debate in Iowa over how to deal with Islamic State, in the wake of deadly terror attacks in Paris.

One of the attackers who killed 129 people in Paris is identified as a Frenchman known to have been radicalised, amid heightened security in the French capital.

People in Paris have been determined to show solidarity with the victims and survivors of Friday's attacks.

Around 80,000 fans were gathered to watch France play Germany in the Stade de France when bombers detonated devices outside the stadium.

Mobile phone footage has emerged showing desperate attempts to escape the Bataclan concert hall in Paris, where at least 80 people were killed by gunmen.

Vigils are held in countries around the world as people show their support for the people of Paris.

Over recent months Islamic State targets have been under heavy attack in Syria and Iraq, but the militants have also been retaliating in the Middle East.

Michael O'Connor describes what he saw at the Bataclan concert hall in Paris when gunmen broke in.