UPDATE at 9:20 a.m.: Looks like the power is back on and some trains are moving again, but slowly, since the signals aren't working.
9:30 a.m. Joe Pesaturo: "Power is being restored, but all lines are experiencing delays. An investigation into the cause of the outage is underway." T now advising people to not take the T.
9:50: Boston Police report the Red Line still dead due to signal problems.
1 p.m.: NECN reports the T is blaming "a private company doing routine maintenance" on the system. More to come at a 1:30 news briefing.
People stuck on trains all over the place:
*MAJOR* mbta fail. no power at Maverick T station. no buses. making people walk to airport to get buses. in a cab now.
No lights at Back Bay station; commuter-rail tracks almost pitch black.
Nykwil proposes the MBTA buy one million hamsters and wheels as a power supply.
Michael Femia: Maybe the T shouldn't have diverted all of its power to David Ortiz.