SUDBURY -- Police in Sudbury are seeking witnesses in connection to an assault investigation that happened in July. 

According to police, the incident happened on or around July 22 during the day in the Hanmer skatepark. It allegedly involved two 13-year-old girls and a 40-year-old male. 

Several bystanders at the time recorded the incident, which has since been shared on social media. 

Police are asking anyone with information to contact Cst. Ryan Hutton at 705-675-9171 x 2310 or Crime Stoppers at 222-Tips, online or by texting TIPSUD and the information to CRIMES (274637).