Vandergrift, PA -- Westmoreland County Detectives and Vandergrift Police are investigating after a shooting injured three men at a local bar. 

Police responded after shots were fired inside Anthony's bar on Longfellow Road in Vandergrift just after midnight on Sunday. 

Three men were injured as a result of the gunfire. 

Two men were identified as the alleged shooters and a third was a bystander, according to detectives. 

All three of their injuries were described as serious, but non-life threatening. 

Police believe an altercation among the two men prompted the gunfire.

Criminal charges are pending a thorough investigation.