Growing wildfires in western US causing hazy skies on East Coast
Al Jazeera, 22 Jul 2021
Smoke from wildfires in the western United States is covering the East Coast.
It's prompted a pollution alert in the capital, Washington, DC.
The worst blazes, in the state of Oregon, have forced firefighters into retreat for the last 10 days.
Al Jazeera's Patty Culhane reports.
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