HASBROUCK HEIGHTS - Police say one person is dead after a tractor-trailer hit a building and both the truck and structure went up in flames.Police say the driver of a tractor-trailer traveling south along Route 17 lost control of the vehicle and drove off the road, crashing into a nearby office building. Both the building and the truck caught fire.Authorities haven't released the identity of the victim.Hasbrouck Heights police and the Bergen County prosecutor are investigating the accident.