PHILADELPHIA (CBS) — Police say a man was shot and killed by a security guard outside a bar in North Philadelphia.

It happened around 11 p.m. Saturday at a Hookah lounge in the 2400 block of Germantown Avenue.

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Police say a 30-year-old man opened fire outside the bar, striking two people. That’s when the security guard pulled his weapon and shot the gunman several times.

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The gunman was taken to Temple Hospital where he was pronounced dead.

Both shooting victims were taken to the hospital in stable condition.

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Police say the security guard is cooperating with the homicide investigation.