Vancouver Fire Chief Dan Wood says the blaze began overnight on Sunday and worked its way up the centre of the dying tree, eventually causing it to collapse.
Dozens of people were displaced Saturday by a two-alarm fire in a downtown Vancouver social housing complex, but most were expected to return later that evening.
After the colossal Georgia Viaduct was built in 1972, a grassroots uproar stopped the construction of what would have been a multi-lane expressway.
The federal and British Columbia governments are investing $300,000 to step up avian flu surveillance, early detection and response efforts.
The vast majority of Canadians will not be affected by the new tax bracket for income over $200,000 a year, but everyone will see their tax-free savings account contribution limit be reduced back to $5,500 for 2016.
Laylin Delorme, 24, Colton Steinhauer, 27, and the youth who can't be named were arrested Friday morning.