(NEWSER) – Media attention from the Justin Ross Harris case has placed citizens on high alert for children left in hot cars—and shoppers at a strip mall in Katy, Texas, are the latest to come to the rescue. The group smashed in a car window and fumbled with a child safety lock yesterday to free two young children trapped inside a Jeep as temperatures outside rose into the 90s, according toKHOU. In a video shot by Gabriel Del Valle on his smartphone and shown on the KHOU website, at least four people can be seen trying to free the boy and girl, who had been heard crying, from the vehicle, with one person using a hammer to shatter the glass. Witnesses say when the children’s mother arrived on the scene, she said she had only "temporarily" left the kids in the car so she could get a haircut.

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