The incident happened around 7:40 p.m. on Front and Morris streets in a parking lot under Interstate 95.
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Police say Sang was knocked to the ground by another man during the fight.
According to Philadelphia Police Chief Inspector Scott Small, the suspect then jumped into a white Kia and ran Sang over.
Sang was found with a laceration to his neck while still underneath the vehicle. He was pronounced dead at the scene.
Police say the vehicle belongs to Sang's family.
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The suspect was last seen running off on foot.
Chopper 6 overhead after man stabbed, run over in South Philly
Police are still investigating what sparked the altercation.
Officers recovered a folding knife with about a four-inch blade at the scene.
Anyone with information is asked to call police at 215-686-TIPS.
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