Tehran:  A fuel tanker exploded Saturday at the Islam Qaleh crossing in Afghanistan’s western Herat province on the Iranian border, Iranian state TV reported.

Several trucks were engulfed in flames after the explosion, the report said. It wasn’t immediately clear what caused the blast and there were no immediate reports of casualties.

Fire spread to the Dogharoon customs facilities on the Iran side and first responders, including the fire department, the Iranian army and border forces were assisting in extinguishing the blaze.

Trucks carrying natural gas and fuel were directed to leave the scene. (AP)

Press Trust of India