Debris rises during what rebel fighters said was an operation in which they blew up a tunnel targeting the regime's al-Sawadi checkpoint, in Idlib province May 14, 2014. This checkpoint was considered... more 
Debris rises during what rebel fighters said was an operation in which they blew up a tunnel targeting the regime's al-Sawadi checkpoint, in Idlib province May 14, 2014. This checkpoint was considered one of the regime's biggest and most important checkpoints, and was used to protect the east side of Wadi al-Deif military camp. REUTERS/Khalil Ashawi (SYRIA - Tags: TPX IMAGES OF THE DAY CIVIL UNREST CONFLICT MILITARY) less 
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Reuters | Photo By KHALIL ASHAWI / REUTERS
Wed, May 14, 2014 1:52 PM EDT