SHAWNEE, Kan. (AP) — A high school student in the Kansas City, Kansas, suburb of Shawnee was found with a handgun in his backpack at school, police and school officials there said.

The gun and other contraband were found by Shawnee Mission Northwest High School staff Thursday morning in a search of the student's backpack, the Shawnee Police Department said in a news release.

Principal Lisa Gruman said in a note to parents that the search was conducted and gun found during an investigation involving an unrelated matter. Police confiscated the gun and arrested the student, who is under 18 and wh...