DETROIT (WWJ) – Police have detonated a suspicious package that stopped traffic on a  southwest Detroit street for several hours, Friday.

Police and Homeland Security agents were on the scene near West Fort and West Grand Boulevard , to investigate a potential bomb threat.

READ MORE: Michigan Matters: The Political Road Ahead

Police told WWJ Newsradio 950 that someone reported a suspicious package shortly before 10:30 a.m. 

READ MORE: 'My Name Is Sara' Film On Holocaust Survivor Premieres In Metro Detroit

Friday afternoon, Detroit Police said they detonated the package, identified as an explosive device, but declined to say exactly what made the package suspicious or exactly where it was found — although it was believed to have been in an alley.

Satellite maps show a credit union and an engine parts warehouse near the intersection. 

MORE NEWS: Dearborn Homecoming Festival Kicks Off This Weekend

There were no reported injuries.