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WATCH: Motorist Battles Raging Floodwaters to Cross River in Pakistan
VIDEO: Russian Spy Satellite Streaking Across Hawaii Sky Perplexes Onlooker
WATCH: Hammerhead Shark Circles Group of Kayakers in Southern California
More than one million volunteers have served along the Gulf Coast in the decade since Katrina, making it the largest volunteer response to a natural disaster in U.S. history.
Tens of thousands of people in Phoenix remain without power after a severe thunderstorm tracked over the city on Monday night.