Struggle for Iraq: 'Fear of ISIS and civil war' in Baghdad
19 June 2014 Last updated at 23:03 BST
As President Barack Obama says the US is ready for "targeted and precise military action" against Islamists in Iraq, fighting has continued in the country.
Sunni military extremists have spent a second day battling to seize control of Iraq's biggest oil refinery.
The BBC's John Simpson reports from a mainly Sunni area in the suburbs of Baghdad, where there is fear of civil war with the Shia majority.