Montgomery County police launched a homicide investigation Tuesday morning after a man was pronounced dead in the 12000 block of Treetop Drive in Silver Spring.

       Just before 9 a.m., officers were called to the area. Detectives believe “this to be an isolated incident,” police officials said in a brief statement.

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       Treetop Drive is just west of Columbia Pike in the county’s Fairland area.

       No further details were immediately released.