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    Midwest hit by more strong storms, reported tornadoes

    01:24
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    01:59
  • Eyewitness video captures landslide 'catastrophe' in Papua New Guinea

    00:49
  • Memorial Day weekend weather: Which regions could see rain?

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  • Relentless, deadly severe weather hits the U.S. and Mexico

    02:22
  • Video shows damage caused by Texas tornado

    00:35
  • Tornado hits Texas as Iowa is still recovering from severe weather

    03:32
  • Violent tornadoes cause concert stage in Mexico to collapse

    03:24
  • Many dead and injured after strong winds bring down stage at campaign rally in Mexico

    00:53
  • Widespread destruction in parts of Iowa after wave of tornadoes

    02:13
  • Drone video shows the extensive damage following the fatal Iowa tornado

    00:50
  • Deadly tornadoes cause widespread damage in Iowa

    02:41
  • Tornadoes sweep across Midwest, leaving multiple dead in Iowa

    03:07
  • Deadly severe weather strikes the Midwest and there is more to come

    02:01
  • At least one person killed in Iowa severe storms

    01:05
  • New wave of tornadoes hits Midwest

    01:45
  • Midwest preparing for intense storms with high chance of tornadoes

    02:19
  • More violent weather ahead after tornadoes reported in Plains

    01:50

Tornado damage raises questions about school safety

03:02

After two schools in Moore, Okla., were destroyed by the tornado that ripped through the town Monday afternoon, killing seven students, school authorities are considering ways to make schools safer from natural disaster. NBC’s Erica Hill reports.