Devastating storms are relentlessly pounding the Midwest, unleashing multiple twisters across IN and OH overnight.
"A large, risky tornado touched down last night in northwest Montgomery County, we are focused on supporting life saving measures, such as shutting down gas lines or locating people who are trapped by debris", read the statement.
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Pictures on social media showed strewn trees and severely damaged homes in the area.
Towns just outside Dayton took some of the heaviest hits.
He could see directly through the roof of one house, he said.
The National Weather Service received more than 50 tornado reports in eight states Monday into Tuesday morning.
"I just got down on all fours and covered my head with my hands", Dutmers said.
Many roads in the Dayton area were impassable.
Tomorrow is the highest concern with severe weather with storms redeveloping in the afternoon/evening. "There is a possibility of large hail, strong winds, and possibly tornadoes". Nebraska was hit with hail more than 2 inches in diameter, and dozens of drivers pulled off Interstate 80 with broken windshields. "Our city's storm water drains to the river and if it can't go out, it could cause additional flooding".
City Manager Shelley Dickstein said a boil advisory has been issued for residents after the storms cut power to Dayton's pump stations, and that generators are being rushed in. A high school gym in Dayton was designated an emergency shelter until authorities realized it was unusable. Celina mayor Jess Hazel told reporters at least seven other people were injured and 40 homes were damaged after the tornados pulverised entire homes in their path.
Beavercreek City Schools Superintendent Paul Otten told CNN affiliate WHIO his neighbourhood had "crazy damage".