Sky darkening as tornado touches down in Arkansas, US
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Footage shows deadly tornado on Arkansas highway

At least 17 people have been killed by tornadoes as a huge storm system swept across the central and southern United States.

Sixteen of the victims were in several suburbs of Little Rock in Arkansas, officials have said.

Cotton Rohrscheib was driving on a highway near Mayflower, Arkansas, when a tornado touched down.

His footage shows the tornado turning the sky black, before he is forced to pull over to the side of the road.

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