By CBS13 Staff

PENRYN (CBS13) — A handgun with a high-powered bullet has been seized after an arrest in the parking lot of a concert in Penryn last week.

The Placer County Sheriff’s Office says, late last Friday night, deputies and detectives were out doing surveillance during a concert at the 3M Event Center when they noticed a suspicious situation.

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Detectives say they saw two people in a car, with one person reaching for what looked like a handgun before putting it in his shirt.

A high-risk traffic stop was then done, but deputies say they noticed someone quickly grab something and put it in the back seat.

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Both people inside were soon detained and deputies searched the car. An unregistered FN 5.7 semi-automatic pistol was then found, with deputies saying it was loaded and chambered with a bullet that could defeat a level IIIA ballistic vest.

Other items found in the car included several EBT and ATM cards belonging to other people.

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The two people detained are now under arrest: 35-year-old Castro Valley resident Coryaune Williams and 24-year-old Oakland resident Trevon Williams. Both are facing numerous weapons and fraud charges.