It is the second provincial capital to fall to rebels since Raqqa was taken by Islamic State rebels two years ago.
There is a danger the conflict could escalate beyond Yemen and spark a wider war.
The man who commanded U.S. troops during the surge in Iraq offers insights into the mistakes, the prosecution and the prospects of the war against the Islamic State.
In the general’s most expansive comments yet on the latest crisis in Iraq and Syria, the former CIA director voiced his growing worries.
Reports of tensions and aggressive recruitment tactics suggest that the militants are struggling to keep supporters amid battlefield losses.
The collapse of Harakat Hazm further complicates efforts to counter the rise of extremism in Syria.
Perhaps nothing illuminates more starkly the transformation underway in Iraq.
The Shiite group’s head urged Arab states to join it — and by implication, Iran — in fighting the extremists.
Shiite militias backed by Iran are increasingly taking the lead in Iraq’s fight against the Islamic State, threatening to undermine U.S. strategies.
Despite the war against the Islamic State, Baghdad is bouncing back to life. Here are some photos of the newly energized capital.