The Mississippi river has burst through one levee in the US state of Illinois and threatens to break many more throughout the American Midwest.Three feet of water flooded the area near the town of Gulfport, closing a bridge and cutting commuters off.
Millions of sandbags are now being stacked at the 27 levees which the government says are most vulnerable.
Seven people have so far died in the flooding, which in some areas is the worst in a decade.
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