'Errors like those in Sara Sharif's case can never be eliminated completely, so the best way to reduce them is by being open and willing to change as the picture develops'

Their photographs haunt us.

Victoria Climbie, Daniel Pelka, "Baby P" Peter Donnelly, Star Hobson and Arthur Labinjo-Hughes - all killed by those who should have loved them and let down by those who should have protected them.

Today, yet another report has highlighted failings by the state that has resulted in a Sara Sharif being added to the grim list. Lord Laming , the child protection expert who led the inquiry into the killing of Victoria in Haringey in 2000, later spoke of his distress at the death of Baby P eight years later in the same north London borough.

Like Victoria, Peter was known to welfare and hea

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