A huge blast followed by a huge fire rattled the Iranian port city of Bandar Abbas on Saturday, state media reports said.

The accident reportedly occurred at Rajaei port, a major hub for container shipping that also includes oil storage tanks and other petrochemical units.

Footage from social media captured dramatic scenes of a huge pillar of black smoke billowing into the sky after the explosion.

Watch:

The death toll and the origin of the blast have not yet been confirmed by authorities.

Additional reports are expected as events unfold.