The investigation continues into a large fire that displaced five people in Brigantine on Sunday night.Firefighters and EMS were called to the three-story single-family home at 1306 E. Beach Ave. at about 11:40 p.m., Fire Chief Paul Fuller said.The house sustained extensive fire damage to the upper floors with significant smoke and water damage throughout, the chief said.Three vehicles also were damaged. Everyone was able to get out before firefighters arrived. The cause of the fire has not yet been determined.