The governing Canadian officials (both political parties) can no longer keep Prime Minister Justin Trudeau in hiding; they have exhausted all possible political justifications including a manufactured “security threat”, and a COVID-19 “diagnosis” that required quarantine.
Prime Minister Justin Trudeau is going to have to come back to work in Ottawa.
As a direct result, to protect the political viability of their King, the pretorian guard must remove the pesky freedom protest groups. Everything takes on an additional sense of urgency, after all, “the Canadian democracy is at stake.”
To handle this dynamic, the City of Ottawa officials have just declared a “state of emergency,” and with additional authorization therein, the Ottawa Police Department have announced they will now arrest anyone who attempts to support the public freedom protest.
In order to save their illusion of democracy, the Canadian ruling class must first destroy it… By official decree:

CANADA – The City of Ottawa declared a state of emergency Sunday afternoon in response to ongoing protests in the downtown core, soon after police announced they would boost enforcement and crack down on the demonstrators’ supply of fuel.

The outlined measures include deploying an additional 150 municipal police officers and undercover federal agents to infiltrate the protest and gather intelligence useful for the purpose of eliminating their effort.
With that empirical and well documented reality in place, all three branches of U.S. government work in unison. Who or what can intervene to stop the Fourth Branch of government from operating unilaterally?
How many dozens of examples does it take before people realize the FBI are criminal enforcers targeting any voices who rise in opposition to the DC system?
The United States government (specifically the Fourth Branch) has won an appellate level legal case in the U.K. as they seek to extradite Wikileaks founder Julian Assange for crimes against U.S. national security interests.