Iraq conflict: 'People are frightened' of civil war
13 June 2014 Last updated at 12:02 BST
The Islamist extremist group ISIS, supported by some other Sunni militant groups, are continuing their advance on the Iraqi capital Baghdad.
There are reports of uncontested gains in the eastern province of Diyala, where there is a Sunni majority.
The BBC's Feras Kilani reports from Baghdad, where he says people fear a repeat of the civil war of 2006-2008.