 A three-vehicle crash in Brandywine 100 has left one person dead. State police say an 89-year-old man was driving eastbound on Wilson Road yesterday afternoon when the car swerved, hit a mailbox, then traveled into the path of an oncoming car. The driver that went out of control was killed. The other driver was taken to the hospital. An occupied park car was also hit. That person not hurt. The cause of the fatal crash is under investigation.