DALLAS (CBSDFW.COM) – A SWAT team was called to a Tom Thumb in far north Dallas to search for an armed robbery suspect Friday morning. However, no suspect was found inside the store.

The incident happened at around 5:30 a.m. at the store on Preston Road near Belt Line where officers responded to an armed robbery call. When officers arrived, they found the armed suspects leaving the store.

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Police say one of the suspects was taken into custody, but officers saw another suspect run back into the store.

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A SWAT team searched the store but were unable to find the second suspect. Police believe that suspect is still on the loose.

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According to police, two employees were injured but were treated by paramedics at the scene.