The boy pleaded not guilty to a total of five charges, four of them felonies, in juvenile court on Monday.

Authorities in Washington State said they have arrested a 13-year-old accused of obsessing over school shootings and living in a residence with an arsenal of firearms.

The boy pleaded not guilty to a total of five charges, four of them felonies, in juvenile court on Monday.

WASHINGTON: A 13-year-old boy described by police as obsessed with school shooters was arrested on multiple firearms possession charges and causing a threat after they say they…