November 29, 2012
Yoon S. Byun/Globe Staff
A large section of Cambridge was dark due to a power outage late this afternoon.
Buildings at Harvard and MIT were affected by the power outage.
People used cell phones for light as they walked through Harvard Yard.
About 17,000 customers lost power in the blackout believed to be related to a transmission line.
A man with a flashlight walked through Harvard Yard.