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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Los Angeles County neighborhoods were painted red this week as planes flew — and continue to fly — overhead, dropping red clouds ...

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 ...

Red phosphorus is an established flame-retardant additive for polyamide 66. Even small amounts of it are enough to provide thermoplastics with good fire-resistant characteristics with scarcely any ...