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MIAMI (CBSMiami) – Miami-Dade police converged on a 7-Eleven in the Princeton area of South Miami-Dade where a robber shot a female clerk about 10:45 Monday morning.

A coworker, cowering in a walk-in cooler, called her son.

“She told me I’m hiding in the cooler right now, and I was asking why Mom, why are you hiding? She told me there’s a gunman here, he’s trying to rob the cash register,” said the coworker’s son Christian Zelaya.

Zelaya said his mother told him the gunman was screaming at the woman behind the counter when he shot her.

A male coworker confronted the robber who followed his wounded victim as she staggered to the office. The thief ran away without firing any more shots.

The female colleague came out of hiding to help her stricken associate.

“She told me she was helping the girl out, the girl that was shot, by the chest, the abdomen area, and she was trying to help her out with some napkins and putting pressure on the wound,” Zelaya said.

The wounded 7-Eleven clerk was air rescue did Jackson trauma south in critical condition.

Police identified the victim as Cherish Juarez, born in 1986.  She is expected to survive her wounds.

The daughter of Juarez’s coworker found it all hard to believe.

“I come here like late at night and it’s not a problem, it’s very easy going. My mom loved it and we never really expected anything like this to happen to her,” said Martha Figueroa, the coworker’s daughter.

Police remained on the scene for hours, interviewing employees and several customers who were in the store when the robbery and shooting went down.

Anyone with information is asked to call Crime Stoppers at (305) 471-8477 or (305) 471-TIPS.