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Canadian soldiers arrive in Saskatchewan, where wildfires force 13,000 from homes

  • Carley Wentworth, right, of Bolan, and Bo Miller, of Kensett, ride horses in rural Worth County on Monday, July 6, 2015.  A large plume of smoke from wildfires in Canada has drifted into North Iowa causing a dense haze across the area.  Air quality advisories have been issued.  (Arian Schuessler/Globe-Gazette via AP)

    Carley Wentworth, right, of Bolan, and Bo Miller, of Kensett, ride horses in rural Worth County on Monday, July 6, 2015. A large plume of smoke from wildfires in Canada has drifted into North Iowa causing a dense haze across the area. Air quality advisories have been issued. (Arian Schuessler/Globe-Gazette via AP)  (The Associated Press)

  • Carley Wentworth, left, of Bolan, and Bo Miller, of Kensett, ride horses in rural Worth County on Monday, July 6, 2015.  A large plume of smoke from wildfires in Canada has drifted into North Iowa causing a dense haze across the area.  Air quality advisories have been issued.  (Arian Schuessler/Globe-Gazette via AP)

    Carley Wentworth, left, of Bolan, and Bo Miller, of Kensett, ride horses in rural Worth County on Monday, July 6, 2015. A large plume of smoke from wildfires in Canada has drifted into North Iowa causing a dense haze across the area. Air quality advisories have been issued. (Arian Schuessler/Globe-Gazette via AP)  (The Associated Press)

  • A haze rest along the Minneapolis skyline from the view of Ridgeway Parkway Park, Monday, July 6, 2015, in Minneapolis. The Minnesota Pollution Control Agency is expand its air pollution warning due to smoke from wildfires in Canada. The expanded area includes the Twin Cities. (Jeff Wheeler/Star Tribune via AP)  MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES LOCAL TELEVISION OUT

    A haze rest along the Minneapolis skyline from the view of Ridgeway Parkway Park, Monday, July 6, 2015, in Minneapolis. The Minnesota Pollution Control Agency is expand its air pollution warning due to smoke from wildfires in Canada. The expanded area includes the Twin Cities. (Jeff Wheeler/Star Tribune via AP) MANDATORY CREDIT; ST. PAUL PIONEER PRESS OUT; MAGS OUT; TWIN CITIES LOCAL TELEVISION OUT  (The Associated Press)

Canadian soldiers are arriving to battle raging wildfires on the country's west coast, where about 13,000 people have been evacuated in recent days.

Premier Brad Wall says it is the biggest evacuation effort in Saskatchewan's history.

Colin King, deputy commissioner of operations with Saskatchewan's emergency management department, says 1,000 military personnel are arriving from Manitoba and Alberta.

King says the fire situation is "critical," adding that people evacuated from more than 50 communities won't be returning soon.

Environment Canada has issued air quality warnings for much of Saskatchewan and parts of Manitoba, Alberta, and British Columbia, due to wildfires burning across Canada's western and central regions.

More than 110 fires are burning in Saskatchewan alone.