BRISBANE, Australia—A 10-year-old Australian boy remained in a coma Friday following a collision earlier this week between two helicopters that killed four people, including the boy’s mother.
Another boy, age 9, who was hospitalized in critical condition after the crash, awoke Thursday after suffering brain trauma, according to health authorities. The 9-year-old boy’s mother remained hospitalized in stable condition.
Another three people who were injured in the collision were discharged Thursday from hospitals, according to Queensland Health.
Police said one helicopter was taking off and the other landing when they collided Monday afternoon near the Sea World theme park on Queensland state’s Gold Coast….