More than 50,000 gallons of pink and red fire retardant rained from the sky near Beacon Hill on Tuesday to slow the spread of the Upriver fire. The mixture of phosphate salts and clay coated ...

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Aircraft battling fires raging through the Los Angeles area are dousing the area with more than water: Hundreds of thousands of gallons of hot-pink fire suppressant have been dropped ahead of the ...

While flames may be the most visual wildfire danger, experts say smoke and fire retardant slurry can have long-lasting effects on human health and the environment. New research has linked wildfire ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Over the past decade, about 67 ...

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 ...