Syrian Democratic Forces
UK and US at odds over where the men should be tried.
US-led forces killed over 100 Syrian government soldiers last night.
Entire neighbourhoods are seen turned to rubble.
Drone footage from Raqqa on Thursday showed the extent of the devastation caused by weeks of fighting between Kurdish-led
Syrian capital was once jihadist stronghold.
U.S.-backed militias in Syria declared victory over Islamic State in its capital Raqqa, raising flags over the last jihadist