6 August 2013
Last updated at 11:05
Video
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Oklahoma search coming to end02:24
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'I just tried to be the best dad'00:59
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Newly homeless face their loss03:02
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Girl on moment tornado struck school00:41
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Cellar opened to reveal 'apocalypse'01:12
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Americans will 'open homes and hearts'05:12
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BBC at collapsed bowling alley02:18
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TV station evacuated live on air00:43
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How the Oklahoma tornado was formed01:54
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Like 'a warzone'01:05
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Why they call it 'Tornado Alley' 02:36
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'Massive tornado coming towards us'02:07
Oklahoma search coming to end
'I just tried to be the best dad'
Newly homeless face their loss
Girl on moment tornado struck school
Cellar opened to reveal 'apocalypse'
Americans will 'open homes and hearts'
BBC at collapsed bowling alley
TV station evacuated live on air
How the Oklahoma tornado was formed
Like 'a warzone'
Why they call it 'Tornado Alley' 
'Massive tornado coming towards us'
Before and after
Before and afterImages of the devastated neighbourhoods
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Inside tornado alley
Twisters remain dangerously unpredictable
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Golden minutes
How do storm warnings work?
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In pictures
Images from the aftermath of monster tornado
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Survivors' stories
Residents tell how they cheated death
Inside tornado alley
Golden minutes
In pictures
Survivors' stories