It happened at the Sunoco on the corner of MacDade Boulevard and Roberta Avenue on Monday, Nov. 27, authorities said.
Police were called to the scene around 12:30 p.m. and found one man suffering from a gunshot wound to the hand. He was treated at the scene by Collingdale Fire Company and taken to a nearby hospital, the department said.
Hours later, a second man admitted himself to a Philadelphia hospital with a gunshot wound, according to police.
No arrests have been made as of Friday, Dec. 1 and there is "no danger to the public," authorities said.
Investigators are still developing witnesses and are asking anyone with video of the incident to contact Collingdale police.
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