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Police have arrested one suspect in a brutal South Jordan store robbery and are still looking for two other suspects.

The man who was arrested, a 20-year-old Utah County resident, was booked into the Salt Lake County jail on aggravated assault charges stemming. He was Suspect No. 2 — the man with blonde hair wearing a beanie with white stripes — in security camera images released by police.

The three male suspects entered The Smoke Shop, at 1074 W. South Jordan Parkway, at 12:35 p.m. on Monday. They forced an employee into the back of the store, where one of them beat the man with a rock, causing multiple head, face and jaw fractures.

The trio then took an undisclosed amount of cash and fled the business. The employee was hospitalized and is recovering following surgery.

"These suspects showed they were not afraid to use force against the victim, making them very dangerous. Next time these suspects could escalate to the use of firearms and taking a life," said South Jordan police spokesman Sam Winkler.

Suspect No. 1 is described as a white male in his 20s, with dark hair, a thin goatee and mustache. He was wearing a tank top with red, white and blue colors, as well as stars; blue jeans, black shoes and a baseball cap. Winkler said this suspect also sported a large tattoo on his right arm.

Suspect No. 3, again a white male in his 20s, had dark hair and a full beard, wore a gray beanie cap with white stripes, a black shirt and tan pants.

Anyone with information on this case is asked to call SJPD at 801-840-4000.

Twitter: @remims