© Brett Gundlock / Globe and Mail
Toronto police say they'll release details this afternoon of a massive investigation that resulted in raids this morning in Ontario, Alberta and B.C.

Early today, more than 900 officers executed 67 search warrants simultaneously across Ontario and in Western Canada.

Police say nearly 400 tactical officers were involved in the raids in Toronto, across Ontario in London, Hamilton, Durham Region, York Region, Peel Region, Windsor and Ottawa, and in Calgary and Surrey, B.C.

Investigators say Project Marvel involved criminal organization offences, attempted murder, firearms trafficking and importation, drug trafficking, robbery, shootings, prostitution and other crimes.

Police say the probe initially involved investigators from Toronto, London, Ont., Ontario's Waterloo Region and Ontario Provincial Police.

Officials say as the investigation matured, it spread to other jurisdictions in Ontario and then to Saskatoon, Calgary, Edmonton, Vancouver, and Fort McMurray, Alta.

Police say officers from more than 20 police forces, Canada Border Services Agency, and the U.S. Bureau of Alcohol Tobacco, Firearms and Explosives were involved in the investigation.

In Windsor, Ont., Sgt. Brett Corey said three warrants were executed and one man was charged, but no weapons were seized.

A 30-year-old man was being been transported to Toronto to face weapons-related charges, Corey said.