The family of the youngest victim of the Boston Marathon bombing says a private funeral has been held for the boy, 8-year-old Martin Richard.

A statement released on behalf of the family says a funeral Mass was celebrated with immediate family on Tuesday, followed by burial. The family says it plans to hold a public memorial service for the boy sometime in the coming weeks.

Martin was one of three people killed in the April 15 attack at the finish line of the Boston Marathon. His mother and sister were among the more than 260 others wounded.

In the statement, the family from Boston's Dorchester neighborhood calls the past week "the most difficult week of our lives." It says they appreciated the outpouring of love and support they have received.