In 2010, then Fifa president Sepp Blatter revealed Qatar as the host of the 2022 World Cup

The state of Qatar secretly offered $400m to Fifa just 21 days before world football’s governing body controversially decided that the 2022 World Cup would be held in the tiny desert country, leaked documents have revealed.

The files, seen by The Sunday Times, show that executives from the Qatari state-run broadcaster Al Jazeera signed a television contract making the huge offer as the bidding campaigns to host the World Cup were reaching a climax.

The contract included an unprecedented success fee of $100m that would be paid into a designated Fifa account only if Qatar was successful in the World Cup ballot in 2010.

It represented a huge conflict of interest for Fifa and a breach of its own rules as Al Jazeera was