Good afternoon.

In an exclusive from NSW state correspondent Anne Davies , a secret report has revealed the likely source of the fatberg balls that closed a raft of Sydney beaches last summer – with most coming from the deepwater ocean outfall at Malabar.

The partly redacted scientific report, obtained under freedom of information laws, points to a combination of heavy rains and a buildup of fats, oils and greases as the likely cause of the “poo balls”.

Authorities are unable to say when balls could wash up again – but are urgently working on solutions.

“ What we’re currently doing now is not sustainable,” the chair of the EPA’s advisory panel and independent expert Prof Stuart Khan says of Sydney’s sewage system, “discharging 80% of the sewage produced by 5 million people into the

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