At least two people were killed and three others were injured in a shooting at the Delaware County Linen business located in Chester, Pennsylvania.

District Attorney Jack Stollsteimer said, in statements reported by CBS News, that a former employee entered the business armed with a gun and began shooting. He was arrested while attempting to flee.

Two people died instantly, while three others had to be taken to a nearby hospital. They are in serious condition.

For now, the identity of the shooter has not been released. The motive for the shooting remains under investigation.

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