Update, 7:25 p.m.: One track was cleared and limited train service through Ruggles resumed.
Commuter-rail and Amtrak service through Ruggles is stopped as transit and fire officials investigate a fatal train-vs-person collision on the inbound side this evening. The T is describing it as a "trespasser strike."
Dan Esdale reports his outbound train to Franklin stopped, then headed back to South Station.
In the other direction, Craig Herman reports an Amtrak train is just sitting at Forest Hills.