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Authorities battling a series of large wildfires in the Los Angeles area have employed a bright red fire retardant to tamp the flames, leading to dramatic images of the material blanketing scores of ...

Aerial fire suppressants are generally a mixture of water, ammonium phosphate — essentially fertilizer — and iron oxide, which is added to make the retardant visible, said Daniel McCurry, a civil and ...

Crews battling the deadly Los Angeles wildfires have been dropping a bright pink fire retardant across the city ahead of the advancing flames – leaving some wondering what the substance is, and how ...

This is a developing story. For the latest local updates, head to LAist.com. Also, sign up for NPR's breaking news alerts. Air tankers are dropping thousands of gallons of red flame retardant in the ...

Aircraft battling fires raging through the Los Angeles area are dropping more than water: Hundreds of thousands of gallons of hot-pink fire suppressant ahead of the flames in a desperate effort to ...