Why have Fifa bosses been arrested?

Police in Switzerland have arrested seven senior officials from Fifa, the organisation that runs world football and organises the World Cup.

The men were held after early morning raids at a hotel in the city of Zurich.

They're charged with corruption, which means being dishonest in a position of power. They're suspected of taking millions of US dollars in bribes.

Leah's got more on the story that's rocked world football.