Time 106.6 breakfast presenter Keith Butler was taken ill after his programme on Thursday (20th November) and is now in the high dependency ward of Luton and Dunstable hospital.
The former Capital Gold presenter, who has been with Time for just over a year, was taken to hospital by ambulance on Friday and is now undergoing tests.
Paul Owens, programme controller of Time 106.6 wanted people who know him to be aware that he is not very well, and wishes Keith a speedy recovery.