In December, Mel Greig, along with co-host Michael Christian, prank phone called King Edward VII’s Hospital where the Duchess of Cambridge was being treated for severe morning sickness. The two 2Day FM hosts feigned to be the Queen and Prince Philip.

The following day, nurse Jacintha Saldanha, who fell for the prank, putting the call through to the Duchess’s ward, killed herself. The 42-year-old was found hanged along with three handwritten suicide notes.

One read: “Please accept my apologies. I am truly sorry. Thank you for all your support. I hold the Radio Australians Mel Greig and Michael Christian responsible for this act. Please make them pay my mortgage. I am sorry. Jacintha.”

Seven months since the incident, Ms Greig, who has yet to return to work, although Mr Christian is receiving controversial career accolades,  has filed a claim against Southern Cross Austereo with Fair Work Australia.

Greig’s lawyer, Steven Lewis of Slater & Gordon, told Fairfax Media: “I can confirm that a general protections application has been filed with Fair Work Australia on behalf of Mel Greig against Southern Cross Austereo.”

The application alleges Southern Cross Austereo failed to maintain a safe workplace in relation to the hoax phone call incident.

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