Police Chief David Provencher says he's confident his investigators will find the people responsible for the vandalism last Friday at New Bedford High School.

Someone broke into the High School between Thursday night and Friday morning, spraying the contents of fire extinguishers throughout the school, and mixing in flour and other materials from a home economics classroom. The mess forced the cancellation of school on Friday.

Chief Provencher tells WBSM News, his investigators are focusing on specific individuals, and he's confident the case will be closed out relatively soon.

Classes at New Bedford High resumed on Monday.