Culture secretary Lucy Frazer dropped a clear hint it will not be allowed to rise by inflation in future.
Gary Lineker, Adil Ray, Deborah Meaden and Dan Walker have also come out fighting for the BBC.
Transport secretary denies there is "preordained decision" about future of the public service broadcaster.
PM sparks fresh war of words with corporation over its move to end free licence next year for better off over-75s.
Nearly 4m over 75s will no longer have free licences from June 2020 following new BBC restrictions. Here's what you need to know.
Far from being strong-armed into making further cuts, it’s essential that the BBC has the capacity to continue to grow and adapt
The BBC hasn't ruled out using the iD to enforce the licence fee.