IQALUIT, NUNAVUT -- An investigation by the Ottawa Police Service has determined that the arrest of a Nunavut man who appeared to have been knocked down by an RCMP truck door was lawful.

A video posted on social media in June from Kinngait showed what appeared to be a Mountie knocking down an intoxicated man using the door of a police pickup truck during an arrest.

A news release says the investigation found that the officer driving the truck did not intentionally strike the man with the vehicle's door.

The Nunavut RCMP has an agreement with the Ottawa Police Service to review actions involving police.

The investigation says the truck came to a sliding stop when it hit snow and ice, and dipped forward when the officer opened his door, striking the man.

In a separate release, Nunavut RCMP says it will not comment further on what happened.

The Civilian Review and Complaints Commission for the RCMP is also conducting an investigation, which isn't complete yet.