The little girl was riding in a parking lot on Wednesday when a 38-year-old man shoved her off the bike, police said.
Police allege along with her bike, he also took her jacket and one of her shoes.
Witnesses to the incident called officers who made an arrest a short time later. Tong Le is now facing robbery charges.
Police are still trying to locate the victim and her caregiver because they didn't stay at the scene to file a report on the incident.
The caregiver is described by police as Asian, 30, with short hair. She was last seen wearing a skirt.
The girl is also Asian, and approximately 4 to 6 years old. She was last seen wearing a pink jacket and had a small white bicycle with bright orange rims.
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