You'd think a building of this size might have spec'd out dual hot water boilers in the build so that a single point failure would not have resulted in a total hot water loss.
Residents at 700 King Street East, a building owned by Medallion Corporation, said the water turned cold last Thursday. By the next day, they said there was no water at all.
https://www.cbc.ca/news/canada/londo...ixed-1.7203869