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.