BIRMINGHAM, Ala. (WIAT) — Update: All power has been restored in downtown Birmingham.

Original: The Birmingham Fire Department has confirmed that a “significant portion of the north side of downtown” has lost power.

Officials say the cause of the power outage is from an electrical vault fire that happened earlier Wednesday.

Traffic lights are also out during this time making traffic “incredibly congested” according to fire officials. As of now, there is no estimated time when the power will be restored. 800 customers are currently without power.