Thank you for your question.
Yes, I can confirm that towing was a problem and that it was not limited to Ottawa. In our discussions with our colleagues across the country, that was regularly brought to our attention during the blockades. Not only were tow trucks unavailable, but operators also refused to come to tow away the trucks. I can't speak for the Ottawa police in terms of the exact nature of its requests, but we at the Department of Public Safety examine any request that we receive from police forces.
I can tell you that subsection 7(1) of the Emergency Measures Regulations completely changed people's attitudes and made it easier to tow away the trucks, at least in Ottawa.
However, I cannot tell you exactly why there was no request to the Canadian Armed Forces. I myself deal only with the requests we receive from police forces.