A microgram of the dangerous drug, used to tranquilise elephants, can kill almost instantly.
The accused 44-year-old will front court on Monday.
The White House put Mia Ayliffe-Chung's death on a 'terrorist list'
The investigation is still ongoing.
Two children were thrown from the ride.
The mother of two victims said her family had been "absolutely devastated".
The UK tourist has lost his battle for life in Queensland.
Mia Ayliffe-Chung was living a full life when it was snatched away.
Police have closed down the street.
And the footage is incredible.
The 18-month-old girl went missing just after 8:30 am on Tuesday.
The 12-year-old’s body was found on a northern Gold Coast riverbank in November.
Queensland Police have offered a $250,000 reward for information leading to an arrest or conviction in the suspected murder of Queensland schoolgirl Tiahleigh Palmer. The 12-year-old disappeared from...