An exterior view of Johannesburg Castle, Sweden, where peace talks on Yemen are taking place.
Peace talks between Yemen government and Houthi rebels have started at Johannesburg in Sweden.
UN special envoy Martin Griffiths announced the signing of a prisoner swap deal that would see thousands of families reunited.
His team is working alongside delegations from the Yemeni government and the Houthi rebels to enable informal talks due to last a week.
Meanwhile, the war has caused the world's worst humanitarian crisis in recent times.
Thousands of people have died in fighting and millions have been pushed to the brink of starvation.