Mel Greig said Jacintha Saldanha's death did not "seem real because you just couldn't foresee something like that happening from a prank call", in her first interview following the tragedy.
She told Australian network Channel 7: "You know it was never meant to go that far. It was meant to be a silly little prank that so many people have done before. This wasn't meant to happen."
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Special forces say they have attacked a sprawling site adjacent to the city's airport in a bid to liberate the area from IS.
Commuters were also warned to expect travel chaos as Doris gathered speeds of nearly 90mph.
A man with 62 penalty points on his licence is among thousands of motorists allowed to drive despite exceeding the limit warranting a ban.