The X Factor charity song Hero burst into the charts at number one after becoming the fastest-selling charity single of the decade, record bosses said.

The song - which is raising money for servicemen and women injured in the line of duty - is tipped to become the biggest-selling release of all time.

The record has sold 313,244 in its first week of release - outselling the entire top 10 combined.

So if you haven't bought your copy yet, go out and buy one or download it, and do your bit!