The presenter explained he had slipped disc in his back, but didn’t detail how the injury had happened.
He took to Twitter to share the bad news: “I slipped a disc in my back yesterday and am currently on some full-strength painkillers,” he tweeted on Sunday evening.
But on a cheery note, he added: “Have a wonderful bank holiday,” with a thumbs up.
READ MORE: Dan Walker: BBC host ‘tries to apologise’ to Louise Minchin
Another viewer wasn’t convinced and and slammed his statement “absolute b******s”, but Dan found it all quite funny.
“Love your certainty,” he laughed, while attaching a picture of Louise sorting out her tresses ready for air.
“I present Exhibit A. You could always ask @louiseminchin @BBCNaga or @sallynugent.”
Others jumped to his defence: “It’s been pretty obvious they have all been doing their own make up to be honest!” someone giggled.