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At least one person was killed and more than 25 were injured Tuesday evening when a tornado devastated a trailer park near Chetek in northwestern Wisconsin.

One person died at the mobile home park, the Wisconsin Emergency Operations Center said in a statement late Tuesday. No details of the fatality were given. More than 25 people were injured, the state said, without giving their conditions.

Helicopter video from WCCO-TV and KARE-TV shows extensive damage at the trailer park, with several homes reduced to rubble.

Barron County Sheriff Chris Fitzgerald described the scene at Prairie Lakes Estates mobile home park as "total devastation" and said first responders could hear people yelling for help when they arrived. He said at least one child was among the injured.

"It's a mess," Fitzgerald told the Leader-Telegram of Eau Claire. "We have at least one deceased so far and we're still in a search pattern."

Chetek Mayor Jeff Martin estimated the park, about 40 miles north of Eau Claire, had around 50 homes.

Martin also told KSTP-TV that several turkey barns in the area also were hit hard.

Devin Feuerhelm told KMSP-TV that his sister, Lenna Samuelson, lives at Prairie Lakes Estates with her two daughters, Ashley and Brenna. While their home was flattened, the SUV next to it was untouched.

He said her sister also had her 2-month-old grandson, Nolan, in the home when the storm hit, and they had nowhere to go but the bathtub. Nolan escaped with just a couple of scratches, he said. Samuelson's daughters suffered minor injuries, and the mother suffered a gash on her head, but he said all are expected to be fine.

The Twin Cities station of the National Weather Service tweeted a photo of large hailstones that fell in the town of Barron, with the largest 3 inches in diameter.

The Wisconsin tornado was part of a huge swath of the Plains and Upper Midwest threatened with severe weather and followed a turbulent but less violent night of storms in southern Wisconsin on Monday night.

Emergency management officials in Grant County reported a gust that hit 68 mph in Cuba City, and wind felled tree branches in the Hazel Green area and debris was blowing across the highway in Ellenboro. The National Weather Service office in La Crosse received numerous reports of winds topping 50 mph, and trees and power lines are down in Green and Lafayette counties.

In Oklahoma on Tuesday, another tornado damaged much of a subdivision on the southern fringe of Elk City, Oklahoma, about 110 miles west of Oklahoma City. Fire Chaplain Danny Ringer told reporters at the scene late Tuesday that one person was known dead from the twister, although details were lacking. He also said the storm destroyed 40 homes and damaged 50 to 75 others severely. It was not immediately known if there were injuries.

More than two dozen tornado sightings were reported to the National Weather Service Tuesday night across the five states of Texas, Oklahoma, Kansas, Nebraska and Wisconsin. The storm also brought numerous reports of large hail and strong winds.

A mobile home is a particularly dangerous place to be during a tornado, according to the National Weather Service. The high winds during a tornado can rip a mobile home, which frequently would not have a foundation, from its moorings.

In 2011, when devastating tornadoes struck in Joplin, Missouri, and in Alabama and Mississippi, 111 of the 551 people killed nationwide in tornadoes, or 20 percent, were in mobile homes, according to the Storm Prediction Center website.

[Editor's note: The original version of this story contained the wrong day for the Wisconsin tornado.]