Are the 300 British Isis fighters in Turkey?

According to The Times of London, hundreds of British fighters who joined Isis are believed to be hiding in Turkey, prompting fears from western intelligence agencies of an increased risk of terror attacks in Europe.

All Syrian fighters of the Islamic State group have left the jihadists' one-time bastion of Raqqa. Pictured is a file image. Source: AAP

Red marker points to location of Raqqa, in northern Syria. (Google Maps) Source: Google Maps