Syrian government troops in Aleppo province on Saturday, a series of bombs dropped from helicopters attack death toll rose to 71.
The Syrian Observatory of Human Rights said that all the victims were civilians.
Abdel Rahman, head of the Observatory, told AFP, "barrel bomb in Aleppo province, the official death toll stands at 71 civilians. 59 of them in the city of al-Bab in Aleppo city and 12 person was killed. "
