Officials said a 13-year-old middle school student showed up to Roosevelt Elementary with a backpack and a black duffel bag.

"All the red flags ... were there," said Kenosha Police Chief Patrick Patton. "We narrowly missed a tragedy today."

A teenager, who police believe was armed, was arrested shortly after he was stopped by staff as he tried to get into a Wisconsin elementary school.

Officials said a 13-year-old middle school student showed up to Roosevelt Elementary with a backpack and a black duffel bag.

Officers in Kenosha, Wisconsin, found “no real firearms” in the home of a boy accused of attempting to enter a secure area of an elementary school, police said Friday. The 13-year-old, whose name has not been made public,

Though they did not confirm if a weapon was on the teen at the time of the confrontation, they said they believed firearms were inside the bag he carried.

A 13-year-old boy is in custody after allegedly trying to enter a Wisconsin elementary school while armed before being scared off when confronted by staff, according to authorities.