Syrian firefighters extinguishing a fire in a damaged school after a bomb attack in Damascus, Syria. Several bombs went off Tuesday inside a school in the Syrian capital that activists say was being used by regime forces as a security headquarters. AP

Syrian firefighters extinguishing a fire in a damaged school after a bomb attack in Damascus, Syria. AP

Another shot of Syrian firefighters extinguishing a fire in a damaged school after a bomb attack in Damascus, Syria. AP

The damaged school after a bomb attack in Damascus, Syria. AP

Another shot of the damaged school after a bomb attack in Damascus, Syria. AP

Syrian government forces patrol the damaged area in Syria. AP

Another shot of Syrian government forces patrolling the damaged area in Syria. AP

Another shot of Syrian government forces patrolling the damaged area in Syria. AP