It happened just after 9pm at the Judy Food Store in the 14300 block of Sellers near Walston. Sheriff's deputies say the three masked men walked into the store and one of them shot the woman behind the counter. The suspects took off.
The woman was taken to Ben Taub Hospital. Deputies say her injuries are not life-threatening.
Investigators will be looking at the store's surveillance video to get a better look at the suspects. They say all three of them were wearing masks.
Authorities are asking anyone with information about the suspects to give them a call.
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