Military commentators and Middle East analysts are reporting an attack appears to have been made on the headquarters of the Iran-backed Shiite militia Brigade 47 near the village of Maarin al-Jabal, just south of Hama city. It is said to be used as a recruitment and training facility.
It was also believed to house a weapons depot, which would account for the intensity of the blast.
A second explosion has been reported at the Iranian-backed Brigade 80 headquarters situated north of Aleppo city.
Media outlets with connections to the Syrian regime are claiming 38 soldiers have been killed and 57 injured in the attacks.