More than 450 MBTA passengers were evacuated from a Blue Line train in the tunnel under the Boston Harbor due to a signal issue Tuesday afternoon.

A person died after they were struck by an MBTA Blue Line train, with shuttles provided to passengers at the station.

MBTA General Manager Phil Eng said the agency will replace significant portions of a cable that came down inside a Blue Line tunnel under Boston Harbor Tuesday, forcing the evacuation of more than 450 passengers.

MBTA Blue Line trains were being held in Boston and buses brought in to replace service because of a signal problem near Long Wharf on Tuesday. The issue was near Aquarium Station, the transit agency said,

Service on one of the MBTA’s commuter rail lines was disrupted on Tuesday afternoon after a car crashed into a train, officials said. The driver of a Tesla drove around closed crossing gates and struck a commuter rail train in Hingham, a Keolis spokesperson told Boston 25 News.

A partial shutdown of the Red Line began Thursday night and will remain in effect through Sunday, according to the MBTA.