A tornado struck the southern Brazilian state of Paraná, killing six people and injuring more than 700 in what state officials call one of the most extreme weather events ever to hit the region.

After analysing the damage and weather conditions, the state’s climate monitoring agency, Simepar, upgraded Friday’s tornado from category F2 to F3. “In terms of magnitude, it was certainly the most devastating tornado we’ve ever had” in the state of Parana, Bloomberg quoted Simepar meteorologist Lizandro Jacobsen as saying.

According to the US National Weather Service , an F3 tornado is classified as “severe", with wind speeds ranging from 158 to 206 mph (254 to 331 kilometers per hour). TOPSHOT - A damaged car and debris are pictured, caused by the tornado with winds of up to 250 kilomet

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