Aid groups warn of a growing humanitarian crisis after IS is driven out of the city.Read more
Islamic State group
The BBC's Feras Kilani was with Syrian Democratic Forces as they took control of the centre of Raqqa, Syria.
US-backed forces may be celebrating after taking back another city, but fighting will not end soon.
After months of fighting, the Islamic State group's self-proclaimed capital Raqqa has been seized by a US-backed Syrian militia. How big a moment is this in the fight against the jihadists? Shashank Joshi is a senior research fellow at the Royal United Services Institute, a foreign affairs think tank in the UK. (Photo: A member of the Syrian Democratic Forces, backed by US special forces, holds up their flag at in Raqqa. Credit: Bulent Kilic/AFP/Getty Images)