Ontario’s Special Investigations Unit is looking into an incident where a suspect and a Toronto police officer were injured during an arrest Sunday.

Toronto police said they responded to the area of Bathurst Street and King Street West shortly after 6 p.m. for a report of a person with a knife. When officers arrived, they arrested a 28-year-old man.

In a video posted to social media, a pursuit downtown shows several police officers pursuing the man who is wielding a knife.

The suspect can be seen being struck by a police cruiser before running south on Bathurst Street.

Paramedics say the suspect and an officer sustained minor injuries.

In a news release on Monday morning, the SIU said that they were investigating the incident, and that the suspect had suffered “a serious injury.” He was then Tasered by officers, the SIU said, but he continued to flee, at which point he was struck a second time by a police cruiser.

One investigator, two forensic investigators and one collision reconstructionist have been assigned to the case, according to the news release.

The SIU investigates incidents involving police in which someone is killed, injured or accused of sexual assault.

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