During the height of Iraq's civil war, neighbouring Syria was a sanctuary for Iraqis - but as the Syrian conflict has intensified, Iraqi refugees have again been forced to flee, this time back to their homeland, as the BBC's Caroline Hawley reports from Baghdad.from Iraq: No escape from danger for returning refugees
The country they are returning to is significantly safer than the one they left. But bomb attacks are common, and there are fears that al-Qaeda in Iraq is now regrouping.
Virtually every day police officers or government officials are assassinated using guns equipped with silencers.
Baghdad is a city of blast walls and checkpoints. But the tight security too often fails.
What we need is a war on terror.