10 June 2014 Last updated at 10:02

World Cup 2014: Neymar injury scare for Brazil

Brazil forward Neymar appears to roll his ankle during a training session in Teresopolis, near Rio de Janeiro.

The 22-year-old Barcelona player has been tipped to be one of the stars of World Cup 2014, along with Argentine club-mate Lionel Messi and Portugal's Cristiano Ronaldo.

Hosts Brazil open the tournament against Croatia in Sao Paulo on Thursday.

Pictures courtesy of ESPN Brasil.