Islamic State of Iraq and the Levant
 
  • Formed by members of al-Qaida-linked groups in Syria and Iraq
  • Aims to establish an Islamic emirate across Syria and Iraq
  • Led by Abu Bakr al-Baghdadi, former leader of al-Qaida in Iraq
  • Believed to have 5,000 to 7,000 fighters
  • Has launched high-profile attacks in both countries