Syrian rebels go underground against Assad

Rebels in the city of Deraa employ tunnels to recapture strategic positions from government forces.

In Syria’s southern city of Deraa rebel fighters are under pressure from government forces.
 
The regime is trying to regain control ahead of next month’s election but the rebels are refusing to back down.
 
And now they’re going underground in an attempt to take back strategic positions.
 
Al Jazeera’s Imogen Brennan reports.

Source: Al Jazeera