Every World Cup game has been interrupted due to new scheduled "hydration breaks", a move from FIFA which has been met with a chorus of boos. What’s behind the interruptions, and why are they so controversial?

FIFA’s compulsory hydration breaks meant to protect players at the ongoing World Cup have become an unexpected talking points

The mandatory breaks have proven increasingly unpopular as the tournament has progressed.

Hydration breaks have been loudly booed by fans at the World Cup