Looks like a lot of downtown office workers are headed for a supercasual Friday. A Metro fire and a power outage are keeping hordes of salarymen on the sidewalks, unable to boot up in their offices. A correspondent in the area informs us that a clock on the 1300 block of F Street NW stopped at 7:20—a bit of trivia that comports with reports that a fire broke out on Metrorail tracks around that time. We will be updating this story as it breaks.