The teenager was allegedly aged 17 when they were first in contact with the presenter in 2020.
It is against the law in the UK to possess or commission images of anyone aged under 18.
BBC sources have suggested that the complainant was reluctant to engage.
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It is important that these matters are handled fairly and with care.
The BBC first became aware of a complaint in May.
We can also confirm a male member of staff has been suspended.
The BBC Board will continue to be kept up to date.
