The Fire Tones are making an appearance on The One Show sofa this evening in a final push to reach Christmas number one with their charity single 'Do They Know It's Christmas?'.

The programme will air at 7pm tonight and representing The Fire Tones will be Welshpool's Chris Birdell-Jones, who came up with the idea, Marc Higgins from Southampton Airport, Andy Quinn from this year's The X Factor and Nottingham Fire Service and Mick Totty from the West Midlands Fire Service.

Also appearing on The One Show tonight are Chris Evans a Bear Grylls.