Investigators are searching the waters of the Charles River and Boston Harbor in connection with missing 22-year-old Harvard, Massachusetts, man Zachary Marr.

Authorities have focused their attention on the waters around Boston’s North Station on the Charles River as the Boston police’s dive team searched near the Zakim Bridge, NECN reported.

RELATED: Missing Harvard man last seen at Bell in Hand Tavern

Police told NECN that they received information that led them to undertake a search in this area.

“There’s no information to indicate foul play played a role,” Boston police spokesman Officer James Kenneally said in a related Boston Globe article. “We continue to seek the public’s help in an effort to locate Zach.”

Kenneally also told the Globe that authorities continue to search areas in the city as well as Boston Harbor.

RELATED: Family of missing Harvard, Mass., man asks for public's help

Marr was last seen Saturday morning at the Bell in Hand tavern near Faneuil Hall, according to NECN.