UPDATE, 4:45 p.m.: Transit Police report the package has been "cleared"- by an X-ray - which means service can resume soon. But expect "severe" residual delays, the T warns. WBZ reports the object was a duffle bag with wires coming out of it.
Transit Police have evacuated the three Red Line platforms at Park Street due to a suspicious package on an Alewife-bound train there. There is no service in either direction.
John Berg reports the Green Line is still running through Park.
Boston Police arrived to help out with crowd control and to help determine what's in the package.
Park Street passengers are being told buses might be on the way as the T announces "severe" delays on the Red Line for the third day in a row.
All along the line, people sat in stuck trains stuck at stations or standing on platforms, waiting for announcements that didn't come on what was going on.
Katherine Fergason reports from South Station:
Okie dokie. After 40+ minutes waiting on the train at South St, they've had us get off. Announcement: red line is not running.