The incident happened around 11:30 p.m. on Aug. 15 near the 2000 block of South Street. The victim, Sophie Coran, told Action News the suspect bludgeoned her with a glass bottle.
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"He started hitting me over the head repeatedly with this glass bottle, and I fell to the ground and started screaming for help," Coran recalled.
Coran was left with stitches on her forehead, staples on the back of her head, and bruising across her body.
Philadelphia police say the suspect approached Coran and tried to grab her phone. When she resisted, he struck her with the bottle and shoved her to the ground before fleeing westbound on South Street.
Authorities are also investigating another incident that occurred in the area hours earlier, though it remains unclear if the two are connected.
Anyone who has information on the suspect is asked to call police at 215-686-TIPS.