American musician Oliver Tree is among those presumed dead following a helicopter crash in Australia, authorities report. The incident occurred before the start of Tree’s scheduled Australian tour. Six individuals were reportedly on board the helicopter when it went down; there are no confirmed survivors at this time. Details surrounding the crash remain limited, and investigations are underway to determine the cause. Authorities have not yet formally identified the victims, but sources indicate Tree was a passenger. The musician, known for his unique style and online presence, was expected to begin performances across Australia in the coming days. Further updates will be provided as information becomes available.