FIFA has told ESPN it will investigate the circumstances of the injury that has ruled Brazil forward Neymar out of the rest of the World Cup.

- Pele calls for repeat of 1962 heroics

The Barcelona player sustained a fractured vertebra in Friday's quarterfinal defeat of Colombia, and had to be stretchered off following a collision with Juan Camilo Zuniga.

Referee Carlos Velasco Carballo has come under fire for his handling of a feisty game that witnessed 54 fouls, while some have expressed their anger at Zuniga's challenge.