Aerial footage of the Nashville blast zone; officials believe it was "intentional" | Video | CNN

Authorities believe an explosion on Christmas morning in downtown Nashville that injured at least three people and damaged dozens of buildings was an intentional act. Nashville Metropolitan Police spokesman Don Aaron said the dangerous devices unit was heading downtown in response to a call about a suspicious vehicle when there was a "significant" explosion related to that vehicle around 6:30 a.m. . "We believe the explosion was an intentional act," Aaron said. The CNN feed shows aerial footage from our affiliate WTVF showing the sheer scale of destruction left by the blast.