By George P. Hassett

A Hyde Park man died today after he struck a Beacon Street building early this morning, according to police.
Marc Filsaime, 59, was the driver and only occupant of a Boston taxi that struck the building at 260 Beacon Street shortly after 2 a.m., police said. He was the owner of the cab. He was rushed to Somerville Hospital where he later died.
The crash is being investigated by the Somerville Police Crash Reconstruction Unit and the Massachusetts State Police.