Katherine Rees said her mum, 80, had fallen ill during a hike on a remote Australian island and was told to return to the ship by herself.

Katherine Rees said her mum, 80, had fallen ill during a hike on a remote Australian island and was told to return to the ship by herself.

The national security threats China poses today go beyond traditional notions of espionage - in this new world, threats are far more complex