President Trump shows map of IS retreat

US President Donald Trump has used a visual aid to highlight how much territory he says the Islamic State group has lost in the Middle East since his election day.

He claimed there was a "tiny spot" remaining that would be "gone by tonight".

Mr Trump also confirmed that about 400 troops would remain in Syria, split between two areas.

This video has been optimised for mobile viewing on the BBC News app. The BBC News app is available from the Apple App Store for iPhone and Google Play Store for Android.