Police: 3 suspects believed to have set off fireworks in Walmart store

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Fire investigators are searching for the people who started a fire Wednesday night inside a Walmart store near 51st Avenue and Indian School Road.

Take a look at the surveillance footage -- firefighters believe the three people you can see on the left side of the video -- two men and a woman, are responsible. They are seen walking away from the fire moments after it was started. In another part of the video, you can see the faces of two of the suspects as they left the store with fleeing customers.

Firefighters quickly put the fire out, stopping it before the flames could reach a row of charcoal, lighter fluid and propane bottles.

Crews say there is extensive smoke and water damage to the building, which will keep the store closed for quite some time. Several employees were treated for respiratory issues.

If you have any information about this case, call Silent Witness. You can remain anonymous and receive a cash award for tips leading to an arrest or indictment.