Detroit firefighters are on the scene of business fire on Grand River.
The eastbound lanes of Grand River are closed for one block near 7 Mile.
According to their Facebook page, the business called Herbs N Relief is a medical marijuana dispensary.
When 7 Action News crews arrived flames were shooting through the roof.
Fire officials say there was no marijuana inside the business and no one is injured. We're told arson is suspected.
Detroit police and fire crews are now investigating.
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