Brazilian midfielder Fred injured his ankle a week before the start of the 2018 World Cup.

During an open training session in London midfielder Real Madrid Casemiro played in a subcategory against the newcomer Manchester United, after which he needed the help of doctors.

Le contact entre Casemiro et Fred vu de plus pres. #MUFC pic. twitter.

com / dCwPjPup67 - Manchester United (@MUnitedFrance) June 7, 2018 "Today Fred got an ankle injury, but it's too early to talk about the timing of recovery," said Brazilian national team doctor Rodrigo Lasma.

"Let's see what condition it will be tomorrow, and then decide whether it will need an additional examination".

The Brazilian national team will hold its first match in the world championship on June 17 against Switzerland, after which it will meet with Costa Rica and Serbia.