Streets in Hartford were closed because of an underground electrical fire or explosion Monday, but they have reopened, according to police.
Smoke was seen coming from manholes on State Street.
Police said Market Street was closed between State and Temple streets, American Row coming off Founders Bridge was closed and there was no northbound traffic on Prospect Street from Antheneum Square. Police said all roads that were closed or detoured have reopened.
Police said on Twitter that there was an underground explosion. Police at the scene said there is an underground electrical fire.