By Peter Martinez, CBS News
Two men in their 30s were shot inside Ballpark Village in downtown St. Louis, Missouri, prompting a police investigating Sunday night, CBS affiliate KMOV-TV reports. The shooting occurred around 8:04 p.m. local time.
St. Louis Police officials said there was an argument between two individuals at a private event at the venue "and a pistol was pulled out." There were "hundreds of people" in attendance on the rooftop -- somewhere between 300 too 400 people, according to Capt. Renee Kriesmann.
Kriesmann believes there is one suspect of interest and he or she is not in custody. An investigation is in its early stages.
Earlier, police said two men were shot -- one in the head and listed in unstable condition. Another victim was wounded in the leg and in stable condition, authorities said. Both victims were rushed to local hospitals.
Police said there were off duty officers and private security officers at the event.
One witness told KMOV-TV that he heard firework sounds.
A KMOV-TV reporter at the scene posted a picture showing the venue apparently empty:
Ballpark Village is a sports-themed bar and venue, KMOV-TV writes.
The same reporter from KMOV-TV noticed a sign on the front of the establishment that read "firearms are not permitted" at Ballpark Village:
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