An explosion on 11th Street, near Chattanooga City Hall, has forced precautionary evacuations. 

The reported explosion appears to be connected to an underground transformer, according to Bruce Garner, spokesperson for the Chattanooga Fire Department. 

Garner tweeted, saying the explosion blew several manhole covers out of place. 


At this time, there are no reports of any injuries or damage, but city workers have been evacuated from City Hall. 

Stay with Channel 3 as updates become available.