FONTANA (CBSLA.com) — Police sought the public’s help Wednesday to locate two armed suspects who robbed a man that agreed to buy a phone advertised on Craigslist.

Around 11:46 p.m. Tuesday, officers were sent to a robbery call in the area of Cypress Avenue and Filbert Street, according to the Fontana Police Department.

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Upon their arrival, authorities located a 20-year-old man who explained he arranged to meet the Craigslist seller in the area to complete the sales transaction of the phone.

While the victim waited in his car, a suspect approached on foot and explained he would go get the phone.

The suspect walked over to a vehicle, returned with a black semi-automatic handgun, and pointed it at the victim.

At the same time, a second suspect came up from behind and placed his hand over the victim’s mouth.

According to police, the first suspect demanded to know where the money was, and retrieved it from the victim’s vehicle. Both suspects then fled on foot in an unknown direction.

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It remains unclear how much money was stolen. No injuries were reported.

Following the incident, the victim fled from the area in his vehicle.

Detectives described the first suspect as a Hispanic man who is between 25 and 30-years-old, is bald, stands 5-foot-8 tall and weighs 160 pounds. He was last seen wearing a black shirt with blue jeans.

The victim did not provide a description for the second suspect.

Police advised the public to use parking lots during business hours on weekdays as a meeting location to handle transactions that originate online.

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Anyone with information regarding this incident is urged to contact the Fontana Police Department anonymous tip line at (909) 356-TIPS.