Power has gone out for more than 4,400 homes and businesses, according to the Seattle City Light outage map. 5:13 AM: If you’re hearing sirens, there are police responses for businesses where alarms were set off because of the outage. 5:32 AM: Finally hearing word of the apparent cause – tree trouble in North Admiral, per police radio. 5:56 AM: A texter in The Junction reports power restored. 8:50 AM: The newest photos are from Bill, who reports that the City Light truck shown above is now on scene.