He wasn't underage, though. So nothing illegal has taken place. You're basing the fact that the alleged victim was underage based on an initially completely unreliable claim from the unreliable, estranged mother and the original Sun report, which they are now refuting.
There is literally nothing to suggest the images were illegal, and going by the Instagram chat from accusation No. 4, it seems that the presenter lost all interest as soon as the individual mentioned they were still in School.
You should acquaint yourself with the most recent developments.