Who are Isis and what are the Islamic State's aims? | Guardian Explainers
Islamic State explained in 90 seconds - BBC News
Islamic State: Inside 'brutal' heartland in Mosul
The Islamic State of Iraq and the Levant, also known as the Islamic State of Iraq and Syria, officially known as the Islamic State (IS) and also known by its Arabic acronym Daesh, is a militant group and former unrecognized proto-state that follows a Salafi jihadist doctrine.