A state coroner has ruled that there was no foul play in the death of Corporal First Class Dave Lee He collapsed after an 8km fast march in 2018 and died later of heat stroke The coroner noted that Lee had no medical history that predisposed him to heat stroke His exertion during an unauthorised exercise the night before may have made him more prone to it, she said Lee’s mother said after the verdict that the lapses that led to his death were unacceptable