Cameron County authorities arrested a Harlingen man after investigators say they witnessed him flash a gun at another vehicle, according to Sheriff Eric Garza.

Eric Cantu, 25, was arrested on aggravated assault with a deadly weapon and unlawfully carrying a weapon charges, Garza said in a tweet.

While working another investigation in Harlingen, Garza said Cameron County Sheriff's investigators witnessed a passenger brandish a weapon at another vehicle and immediately conducted a traffic stop.

Cantu was booked into Carrizales-Rucker Detention Center. An investigation is ongoing, Garza added.

Eric Cantu, 25, was arrested for Aggravated Assault w/Deadly Weapon & Unlawfully Carrying of a Weapon. Cantu was booked into CRDC. Investigation is ongoing. (2021-17515) https://t.co/oKqBTdxfif pic.twitter.com/5n2lQEdGdu

— Sheriff Eric Garza (@SheriffGarza) July 21, 2021