Arthur s father Thomas Hughes, 29, and stepmother Emma Tustin, 32, were yesterday convicted of killing the child under the cover of the first Covid lockdown.
Anne Longfield today warned that measures had not yet been put in place to deal with a lack of co-ordination and lack of data-sharing among agencies dealing with child protection in England.
Emma Tustin, 32, from Solihull, killed Arthur Labinjo-Hughes by repeatedly slamming his head on a hard service after she and 29-year-old Thomas Hughes repeatedly abused him.