(WMC-TV) - More than 20 courthouses across Tennessee were evacuated on Tuesday after each received a bomb threat.
The courthouse in Bolivar and the federal building in Memphis were evacuated, as well as courthouses in Bedford, Franklin, and Cheatham counties.
The federal building in downtown Memphis was evacuated for 2.5 hours.
"We have an outstanding group of individuals who stand ready to be responsive," said U.S. Attorney Ed Stanton. "This matter is still developing, but yes, we are remaining vigilant."
After an exhaustive sweep with bomb-sniffing dogs, authorities deemed the federal building safe.
According to the Tennessee Emergency Management Agency, all of the reported threats were called in by phone. TEMA confirmed that 24 courthouses have been evacuated.
WBIR in Knoxville reported courthouses in Blount, Hamblen, Campbell, Greene and Hancock counties were evacuated.
WJHL in Johnson City reported a bomb threat was called in to the courthouse in Carter County.
The (Savannah) Courier reported the Hardin County Courthouse had been evacuated.
No bombs have been found at any of the locations. A similar bomb threat hoax last week targeted 28 courthouses in Oregon.