The Harlingen Police Department arrested a 17-year-old for displaying a knife to another person.

Sgt. Larry Moore said the incident occurred Saturday night on Fair Park Boulevard about a block away from Casa De Amistad where a high school prom was being held.

Moore said it was an isolated incident and the teen suspect was not a student at the prom. No injuries were reported, and the teen suspect was arrested and charged with aggravated assault.