Severe storms pummel US South after seven hurt by Arkansas tornado

A sign warns drivers along I-55 southbound in Jackson (AP)

Severe storms with isolated tornadoes and high winds have ripped across the US South, toppling trees and power lines and leaving homes and businesses damaged across several states.

At least two confirmed tornadoes injured several people on Wednesday, damaging homes and businesses and downing power lines in Mississippi and Tennessee following earlier storm damage in Arkansas, Missouri and Texas.