By Umberto Bacchi June 5, 2014 07:30 BST
The logo of Syrian extremist rebel group Rayat al-Tawheed, or Banner of GodRayat al-Tawheed
The reported killing of two Britons fighting in Syria, has drawn fresh attention to an extremist rebel group that has made extensive use of social media to recruit would-be jihadists in the UK.
Rayat al-Tawheed, or Banner of God, has been posting videos and photos on Twitter, Facebook and Instagram to glamourise jihad and lure British Muslims to join the fight against the regime of Basha al-Assad and rival rebel groups in Syria. Continue reading