In my BT Yahoo email spam box, the legend on the left says 'Spam (2)', but when I open the spam box there is nothing in there, When I have spam in there, say three items, the count goes up to (5), I select all emails and press delete, the three real ones go but the 'ghost spam' remains, all options are greyed out, and the legend still says 'Spam (2)', and the box is showing nothing. How do I get rid of these ghost emails?
Screen snip attached of my Spam box open to show problem:
