QPR have confirmed that Nico Kranjcar will miss the World Cup.
A hamstring injury will keep the Croatia midfielder out for up to six weeks.
The 29-year-old had been called up to Croatia's squad for this summer's tournament.
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He ruptured a muscle during his club's 1-0 win over Derby in the Championship play-off final at Wembley on Saturday.
Kranjcar is on loan at QPR from Ukrainian side Dynamo Kiev.
The former Tottenham player appeared at the 2006 World Cup, where Croatia were managed by his father Zlatko.