At least 20 government fighters and militia have been killed in an apparent attack by Syrian rebels after a tunnel bomb was exploded near the historic old city of Aleppo. Daily Mail

Syrian Rebels, Increasingly Desperate, Turn To Tunnel Warfare -- L.A. Times

For three days, Syrian rebels dug through a wall of a library that housed a trove of historical religious texts, and underneath an adjacent road.

When they were done with the 50-foot-long tunnel, they waited at one end of it for a tank to drive by, and blew it up.

The explosion cut off the road, a crucial supply route for government soldiers stationed at the nearby 13th century citadel, but it also destroyed what was left of the Waqifiyya Library, already damaged during months of clashes.

Rebel commander Iyad Saqaan, who in 2006 had helped furnish the library with woodwork from his studio, had also overseen the digging of the tunnel. Sitting on a mound of rubble, skipping rocks as if perched on the edge of a lake, Saqaan pursed his lips, shook his head and said, "What alternative do we have?"

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My Comment: After years of conflict all sides are becoming desperate to break the stalemate.