The victim was struck while trespassing on the railroad right-of-way between the Sohier Street crossing and the Rocky Lane bridge, officials said.

The Massachusetts Bay Transporation Authority reported disuptions on the Commuter Rail line serving Fall River and New Bedford.

Police and the Norfolk District Attorney's office are investigating after a person was struck and killed by a commuter rail train in Cohasset.

At around 9:35 a.m., MBTA commuter rail operations notified Cohasset police that a person was struck by a Greenbush Commuter Line train commuting from Scituate to Boston, police said in a statement.