Dayton: Emergency responders attended the Dayton shooting victims after a gunman opened fire in a popular entertainment district, killing 10 people, including his sister.
City officials said that dozens of others were wounded.
Emergency responders tend to victims in Ohio
Connor Betts, 24, was killed by police less than a minute after he started shooting a .223-caliber rifle in the streets of Dayton's historic Oregon District about 1 a.m. in the second U.S. mass shooting in less than 24 hours.
Police haven't released further information about Betts or publicly discussed a motive.
Read more: Two mass shootings in US in less than 24 hrs
