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.

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

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

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