Bob Geldof, the organizer of Band Aid revealed that pre-orders of the new Band Aid single have been "manic" since the unveiling.

The musician and campaigner revealed that he had been "a bit nervous" but said the response had been "extraordinary".

"From what we've seen from iTunes it's gone bonkers," he told on Monday. "Within four or five minutes we had a million quid."

One Direction and Ed Sheeran are among the performers on “Do They Know It's Christmas?” to tackle Ebola.

A video for the song, re-recorded to raise money to tackle the Ebola crisis in West Africa, was shown on The X Factor on Sunday.

The track is now available to download at a cost of 99p. A CD version, costing £4, will be released in three weeks.

Also appearing on BBC Breakfast, Geldof said demand for the single had been "vast".

"We really can stop this... foul little plague," he continued, insisting that "100%" of proceeds would go towards the relief effort.

"I love living in this country at moments like this," he went on, saying the UK "led the world" in these form of charity campaigning.

The outbreak of the deadly virus which was first reported in March and has killed more than 5,000 people, almost all in West Africa.

Geldof and co-writer Midge Ure's first version of “Do They Know It's Christmas?” raised £8m for famine relief in Ethiopia.

Rita Ora, Ellie Goulding, Sam Smith and Coldplay's Chris Martin also attended the recording of the song on Saturday.