A election in the Canadian province of British Columbia remains too close to declare a winner until a final count, leaving the left-leaning New Democratic Party’s grip on power in question after support soared for a conservative party that hasn’t ruled the region since before World War II.

Polls have closed in British Columbia after a rain-drenched election day in much of the province. Voters braved high winds and torrential downpours brought by an atmospheric river weather system that forced closures of several polling stations due to power outages.