Detective Superintendent Paul Furnell, of Sussex Police, said the force had noted the need for it to perform an audit in the next six months to establish if Child Protection Team officers are acting appropriately to any allegations.
He added: "Also to carry out a review in the next six months into the requirement and capability for a child protection team detective sergeant to attend all strategy discussions for allegations made against people working with children. These had been identified in our own review of the case."
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The 22 year old man is seriously injured in hospital. Police believe a baseball bat and iron bar may have been used in the attack