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.
BAGHDAD — The civil war in Syria is testing Iraq’s fragile society and fledgling democracy, worsening sectarian tensions, pushing Iraq closer to Iran and highlighting security shortcomings just nine months after American forces ended their long and costly occupation here.