Article content A federal Conservative government would partner with the City of Calgary in its efforts to revitalize the city’s struggling downtown core, Opposition Leader Erin O’Toole said Friday. In a virtual address to the Calgary Chamber of Commerce, the Conservative leader said the 30 per cent office vacancy rate in Calgary’s once-bustling city centre is a “hollowing out that we need a plan to fix.” We apologize, but this video has failed to load. Try refreshing your browser, or Conservative government would help Calgary with downtown problem: O'Toole Back to video “If there was an office tower sitting empty in Toronto or Montreal, it would dominate the national news coverage for weeks,” O’Toole said.