Wildfires across Alberta have forced thousands to flee their homes, according to the Alberta Emergency Management Agency (AEMA).

Alberta isn’t the only province grappling with fires. Manitoba declared a province-wide state of emergency on Wednesday amid intensifying blazes in the northern part of the province, with the largest evacuation centered on Flin Flon, Man. where at least 17,000 people have fled the blazes.

Thousands of residents in Alberta are closely monitoring the advancing wildfires that threaten rural communities. Authorities are urging those in remote northern areas to evacuate immediately and head south.

Firefighters battling a blaze in a remote northern Alberta town became trapped Thursday as raging wildfires closed in on communities across the province, forcing thousands to flee. Fires raging in central and northern Alberta grew increasingly volatile Thursday,

Canada, the world’s fourth-largest crude producer, has long seen its energy output threatened by wildfires that rage through the dense forests of northern Alberta in spring and summer. In 2016, a blaze shut down the massive oilsands mines just north of Fort McMurray, taking more than one million barrels of daily production offline.

More than 25,000 residents in three provinces have been evacuated as dozens of wildfires remained active Sunday and diminished air quality in parts of Canada and the U.S.

Special air quality statements and warnings have blanketed central and northern Alberta as smoke from several wildfires moves across the province.