UPDATE (3:20 p.m.) - Police say they evacuated the building but no one with a gun was found. Officers say they have been unable to reach the person who made the original report.
Walmart has since reopened.
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ORIGINAL STORY: Police were responding to Walmart in Santa Maria Monday afternoon after receiving reports of a person inside with a gun.
The call came in for the store on the 2200 block of Bradley Road.
As of 2:43 p.m., Santa Maria police said officers on scene had not found anyone with a gun.
This is a developing story and will be updated as information becomes available.