Turkey Hosts World Leaders at Syria Summit

The leaders of Turkey, Russia, Germany and France are meeting in Istanbul to discuss the conflict in Syria, with the focus on refugees and reconstruction. Also on the programme: A constitutional crisis in Sri Lanka with two men claiming to be prime minister; and thousands of Central American migrants heading for the US have now reached southern Mexico. They're determined to reach their destination despite threats from President Trump to keep them out.

(Photo: A Syrian refugee child waits as refugees prepare to leave Beirut to return to their homes in Syria, September 2018. Credit: Getty)