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At a Glance A tornado tore through the town of Eureka, Kansas, on Tuesday evening.

An initial assessment found damage to more than 100 city blocks in the town.

Eight people were injured.

An EF3 tornado tore through Eureka, Kansas, on Tuesday evening, damaging homes and buildings, uprooting trees and knocking out power.

The Associated Press reported that eight people were injured from the tornado that struck the southeast Kansas town of about 2,450 residents about 60 miles east-northeast of Wichita around 7:21 p.m. CDT.

The National Weather Service determined that the tornado was on the ground for over 2 miles and went straight through town.

An initial assessment found damage to more than 100 city blocks in the town, KWCH-TV reported. Eureka city officials told the Wichita Eagle tree damage was extensive.

The tornado damaged 78 homes, 12 of which are unlivable and 10 more are destroyed, Greenwood County Sheriff Heath Samules told KWCH-TV .

Westar Energy reported Wednesday morning that at least 1,300 customers without power in Eureka. Westar did not provide an esimtate of when power would be restored until damage assessments were completed.

Kansas Gov. Jeff Colyer declared a state of disaster emergency in Greenwood County, activating the state emergency operations center in Topeka to coordinate the state's response.

The Kansas Department of Transportation closed U.S. 54 f rom Flint Hills Road to Kansas Highway 99 due to damage.

Greenwood County Emergency Management asked any volunteers helping with cleanup to report to the Matt Samuels Community Building at noon Wednesday.

Until then, people were urged to avoid the area due to the number of downed trees and power lines.

The Red Cross opened two shelters in Eureka for those affected by the tornado.

The National Weather Service in Wichita issued a tornado warning at 7:19 p.m., just two minutes before the tornado struck Eureka, based on a spotter report of a funnel cloud.

Emergency sirens were activated, but residents had little time to take shelter, KWCH-TV reported .

<img class="styles__noscript__2rw2y" src="https://dsx.weather.com/util/image/w/eureka-ks-locator.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0" srcset="https://dsx.weather.com/util/image/w/eureka-ks-locator.jpg?v=at&w=485&h=273&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 400w, https://dsx.weather.com/util/image/w/eureka-ks-locator.jpg?v=ap&w=980&h=551&api=7db9fe61-7414-47b5-9871-e17d87b8b6a0 800w" > Radar image at the time of the Eureka, Kansas, tornado around 7:15 p.m. CDT, Tuesday, June 26, 2018.

This was the second EF2+ tornado to strike the town in just two years.

(MORE: How Tornadoes Are Rated )

On July 7, 2016, Eureka was also hit by a tornado, one that produced EF2 damage in town and high-end EF3 damage just northwest of the community.

Another brief tornado touched down in Butler County, Kansas, just north of El Dorado, Tuesday evening.

Hail up to baseball size was reported in El Dorado, and 2.5 inch diameter hail pelted the northwest Wichita suburbs of Maize and Valley Center.

Check back with weather.com for the latest on this developing story.