Mourners gather for Boston firefighters killed in Back Bay

Michael R. Kennedy, left, and Lt. Edward J. Walsh

The two Boston firefighters who were killed battling a nine-alarm fire in a Back Bay brownstone will be laid to rest this week.

A wake for Lt. Edward Walsh is scheduled for 3 to 8 p.m. Tuesday, followed by a funeral Mass scheduled for Wednesday, both at St. Patrick's Church in Watertown.

Walsh, a native of the Boston suburb, comes from a family of firefighters and leaves behind a wife and three children.

A wake for firefighter Michael Kennedy is scheduled for Wednesday at the P.E. Murray Funeral Home in the city's West Roxbury neighborhood. A funeral Mass will be held Thursday at Holy Name Church in West Roxbury.

The cause of the fire has not yet been determined.