Police say the group walked up to a 21-year-old man, kicked him, punched him, and slashed him in the face.
It happened on Tuesday at 9:22 p.m. on West Kingsbridge Road, near Jerome Avenue.
The group ran off with the victim's android cellphone.
The victim was taken to an area hospital in stable condition.
Anyone with information in regard to this incident is asked to call the NYPD's Crime Stoppers Hotline at 1-800-577-TIPS (8477) or for Spanish, 1-888-57-PISTA (74782).
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