CAMBRIDGE (CBS) – A man was struck and killed by a MBTA Red Line train at Porter Square.

No foul play is suspected, according to Transit Police.

A man was struck and killed by a MBTA Red Line train at Porter Square. (WBZ-TV)

The 66-year-old victim was just inside the northbound tunnel at Porter Square when he was hit around 9:30 a.m. Sunday.

A temporary bus shuttle was set up for passengers to bypass the area. Service is not back to normal.