(CNN) The Southern severe weather streak continues Thursday with yet another round of extreme weather possible a day after storms killed at least six people in Texas, Oklahoma and Louisiana.

Hundreds of tornadoes have been reported across the eastern half of the US in April, most occurring across the Deep South.

A tornado that touched down Wednesday evening in southern Oklahoma killed two people and injured a number of others, according to officials.

Several vehicles were thrown into trees and there was damage to two steel manufacturing companies, Robert Chaney, director of Marshall County Emergency Management, said.

In Polk County, Texas, a tornado produced by a strong supercell thunderstorm killed three people and injured 20 to 30 others, according to county officials. A disaster declaration issued after the county was hit said there was significant damage to residential structures, commercial structures and public infrastructure.

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