Gun store owner was "staking out" his store because of previous burglary attempts. He saw men using cutters to enter a gate and the store.
Gus store owner shot at them, striking one of the men inside his store (on second floor) in the head, DOS. Two or three others fled. Some guy showed up at a nearby hospital with a shoulder GSW, police investigating to see if he was part of this incident.
GS owner cooperating with police.
ETA: Additional details:
https://www.phillyvoice.com/south-phill ... y-looters/"One of the individuals that broke into the property pointed a handgun at him," Chief Inspector Scott Smalls told FOX 29. "And that's when the store owner fired his own weapon – striking the one perpetrator at least one time in the head and he collapsed, dropping his gun between his legs."