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least 90 people are counted dead as tornadoes hit six central U.S. states. As buildings and houses are devastated, the damage is expected to increase.
Correspondent Kim Soo-hyung from Washington.
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This is a candle factory in Mayfield, Kentucky, which suffered the most damage from a tornado that hit the central US.
Of the 110 workers at the factory, only about 40 were rescued.
You can also see just how powerful the tornadoes that swept through the factory were from satellites.
[McReynolds/Kentucky Resident: The last thing everyone heard was what you were still talking about. I pray that you keep talking and let them know that you are under it. We hope to rescue you soon.]
Freight trains were also thrown off the tracks, and the factory building turned into a huge pile of scrap metal.
The tornado that swept through Kentucky devastated 400 kilometers across six states, including Arkansas and Illinois.
At least 90 people have been killed so far.
More than 80 people have died in Kentucky alone, the worst-hit state, and the number is expected to rise.
[Viceer/US Governor of Kentucky: This tornado is likely to be recorded as the most deadly tornado in an area in the history of Kentucky.]
President Biden has declared a state of emergency for Kentucky and has ordered all-round assistance from the federal government.
Amazon founder Jeff Bezos faced criticism for posting a message congratulating Blue Origin's space travel after a tornado struck an Amazon warehouse in Illinois, killing six of its employees.
Bezos did not issue a separate statement of condolences until 24 hours after the tornado disaster.