Aaron Williams, 40, is suspected of first pushing a 5-year-old boy off his bicycle on Feb. 26.
He then reportedly kicked a 3-year-old girl in the knee last Wednesday, causing her to fall off her bike.
The suspect reportedly demanded that the young child and her nanny leave the park.
The young girl was not injured during the incident.
Williams was spotted by police Monday in the park.
He was charged with assault, harassment and acting in manner injurious to a child.
ALSO READ | Search continues in brutal Manhattan attack on Asian woman heading to church
Search continues in brutal NYC attack on Asian woman heading to church
----------
* Get Eyewitness News Delivered
* More Manhattan news
* Send us a news tip
* Download the abc7NY app for breaking news alerts
* Follow us on YouTube
Submit a News Tip