It was also receiving increased international attention, written extensively in publications like the New York Times. Today's story (pdf):
Western Labor News May 23, 1919 Read the full edition !
The following is an excerpt from the Toronto Daily Star on this day:
- Examines the One Big Union vote workers will be taking later in the summer. Concludes that it "...proves there is a revolutionary movement on..." and that "...unless Winnipeg throttles this general strike idea right here an now, Winnipeg herself will be throttled again on July 1st."
The Alberta Non-Partisan editorializes How the Might Have Fallen, referring to the major daily newspapers which, to date, have not yet resumed publishing. It muses that it dismisses the popular myth "...that Labour can get along without capital but that Capital cannot get along without Labour".
In speeches and interviews the "1000" denounced the signs. Here is how they felt, from the pages of their own newspaper:

Citizens' Committee of One Thousand, source.
Official Statement
Volunteers "man" the pumps
Citizens' Committee HQ