UPDATE: 7:52 a.m. | City Light says it has restored power to 7,000 homes and businesses in the Burien and White Center area. The remaining customers will likely have the power back on by late morning.
A tree that fell onto power lines is the cause of the massive outage that impacted 7,900 customers, according to City Light.
Some 7,900 Seattle City Light customers are without power this morning in the Burien and White Center area.
An early report is that a tree came down on some power lines.
City Light says it hopes to have power restored by noon today.