US President Barack Obama surveys Oklahoma devastation

US President Barack Obama has arrived in Oklahoma to see the destruction caused by last week's powerful tornado and to speak to the people of Moore who have lost their loved ones and their homes.

Speaking alongside survivors and emergency teams the president paid tribute to the bravery of the town's people.

Mr Obama promised financial and moral support to people in the area, but admitted it would take a long time for the community to rebuild.

At least 24 people, including ten children were killed after a gigantic tornado tore through Oklahoma City on Monday.