The Syrian army launched a heavy assault on the town in response to the incident, causing thousands of the city's residents to flee across the Turkish border.
This conflict has caused millions of Syrians to flee, seeking safety in Turkey.
Barrel bombs have killed and destroyed the lives of thousands of Syrians, and caused the displacement of many more.
This minority group of radical Islamists is what's causing the influx of Syrian refugees, the majority of them muslim, escaping what is terrorizing their own land.
The administration is sending an American ambassador to Damascus after a four-year break caused by accusations of Syrian involvement in terrorism.
The photos below highlight the devastation Alexa caused across the Middle East and the horrific consequences of the winter weather for hundreds of thousands of Syrian refugees.
"Iran is invited to the Syria donor conference in London while it continues to be one of the main forces causing brutal humanitarian suffering of Syrian men, women and children," said Salem al-Meslet, spokesman for Syrian opposition negotiators.
Screen shot of Rula Amin report about 5th anniversary of Syrian war.
Harling said words without action would have long-term consequences among Syrians: "There's a huge disconnect which is causing a lot of frustration and will cause ultimately hostility on the part of Syrians who hear a lot of empty statements but see very little happening on the ground".
The swelling numbers of Syrians have caused many new stresses in Syria's neighbors.
