Boy, 10, remains in coma after helicopter crash in Australia

An emergency worker looks over a crashed helicopter following a collision near SeaWorld, on the Gold Coast, Australia (Dave Hunt/AAP Image/AP)

A 10-year-old Australian boy remains in a coma after a crash between two helicopters which killed four people, including the child’s mother.

Another boy, nine, who was in hospital in a critical condition after the smash, woke up on Thursday after suffering brain trauma, according to health authorities.