Michael Chamberlain, who waged a decades-long battle to prove his baby daughter was killed by a dingo in Australia's most notorious case of injustice, has died.

Republican US presidential candidate Ben Carson has taken the unusual step of insisting he tried to stab a child when he was younger — after CNN cast doubt on his claims of a violent past.

Victims of the sex crimes six men of tiny Pitcairn Island experienced "a mix of emotions" when told of the sentences handed down to the men, a policewoman close to the victims said.