A husband and wife were arrested Sunday after a gun they were allegedly carrying in a fanny pack accidentally fired inside a Sam’s Club in Glendora.

Police said it happened about 1:30 p.m. near the entrance to the store. Helen Marie Duncan, 50, was allegedly carrying a handgun inside her fanny pack when she dropped the pack and the gun discharged.

Duncan’s husband, Robert, 48, was struck in the arm. Police got several calls from witnesses about the shooting, but the Duncans didn’t stay around to do any more shopping. They drove to a hospital in San Dimas where police caught up with them. Two hours later, the Duncans were arrested on suspicion of negligently discharging a firearm and illegal possession of handgun without a conceal carry permit.

Glendora police Sgt. Mike Randazzo said it’s rare for guns to discharge when they’re dropped. Usually, these kinds of accidents happen when someone is cleaning their gun, he told The Times.


“This is basically an isolated incident,” Randazzo said. “We don’t have any problem with people carrying guns as long as it’s legally and safely.”

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christine.maiduc@latimes.com

Twitter: @cmaiduc