The BBC have taken Songs of Praise host Aled Jones off the air after the star was accused of sexual harassment by a female colleague.
The woman has accused 46-year-old Aled of inappropriate contact and sending unprofessional messages.
Aled, who has been married to wife Claire Fossett for 16 years, has denied inappropriate contact but has apologised for “juvenile” behaviour.
The father-of-two is thought to be just one of 25 cases currently being investigated by the BBC.
A source told The Sun: “There is an allegation that inappropriate messages and contact with a female member of staff took place.
“He’s been told by the BBC about the complaint and after it came to light he has been taken off air.”
A spokesman for Aled said: “Although not related to any broadcast work, Aled voluntarily agreed not to go on the BBC while the matter is investigated.
“While he accepts that his behaviour over a decade ago was occasionally juvenile, as was that of others, he never intended to harass or distress and he strongly denies any inappropriate contact.
“He is, however, deeply sorry for any upset caused and hopes this matter is resolved soon.”
The BBC added in a statement: “It is not something we are going to comment on.”
Aled shot to fame in the 1980s after singing the theme from The Snowman and in 2013 he received an MBE for his services to music and broadcasting.
Although he has not appeared on the BBC since last month, Aled is still working for commercial rivals and is due to host his Sunday radio slot on Classic FM as normal today.