PHILADELPHIA (CBS) — Police are investigating an early morning stabbing inside a Southwest Philadelphia bar.

Authorities say the male suspect was a patron in the Studio 7 Lounge at 60th and Spruce Streets when he got into an argument with a barmaid.

Police say the man then allegedly pulled out of a knife and stabbed the employee and at least one other victim. Both victims were transported to the Hospital of the University of Pennsylvania with non-life threatening injuries.

The suspect fled the scene, but was arrested a short time later.

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