Officials in Kenosha, Wis., say a 13-year-old suspect was arrested before he could enter a school with a gun. The school superintendent called it "a potential school shooting." Officials say there were warning signs about the suspect's intentions.

A 13-year-old in Kenosha, Wisconsin, is in custody after police say they believe he tried to enter an elementary school armed. The teen was carrying a backpack and a large duffle bag when he tried to gain entry through multiple doors,