ONLINE THREAT TO U.S. SCHOOL TRACED TO GIRL IN CANADA

American authorities say a 14-year-old girl in Canada has been charged with threatening a high school in New Hampshire. Police in Hanover, N.H., say they learned about an Instagram post early Tuesday morning that threatened Hanover High School and mentioned a shooting. They say the threat was traced to a home in Canada but won’t say where. Investigators say Canadian officers executed a search warrant and seized electronic devices. The girl was arrested but police offered no further details.