One suspect, described as wearing a brown hoodie, ran from the location and in the direction of nearby Waltrip HS. A police perimeter was set up around the school and the campus was placed on lockdown.
Shortly after the lockdown was lifted, three people at a second pawn shop at Ella near the North Loop were robbed, so police set up a perimeter inside the school to search through it again.The suspect in the second robbery is described as a Hispanic male in his early 20's dressed in a black pin-striped suit with black pants and a red shirt and is driving a brown Nissa Maxima with paper plates. The suspects in the first robbery were described as black males. It wasn't immediately clear whether the two incidents are related.
HISD officials say classes had let out for the day, but about 100 students were on campus for after school activities. No students have been injured.
Stay with ABC13 Eyewitness News for the latest on this developing story.
