The infant was found non-responsive on Friday and was rushed to a nearby hospital where he was pronounced dead.
With their young squad capturing glory in Russia 2018, Les Bleus have a good shot of repeating as World Cup champions.
France boast several superstars when they clash with Croatia in Moscow.
Didier Deschamps' side has looked particularly sharp heading into the World Cup final.
The last time a country as small as Croatia won a World Cup was in 1950 when Uruguay defeated host nation Brazil.
Croatia booked their place in the final of the 2018 FIFA World Cup by beating England 2-1 after extra-time on Wednesday.
England take on Croatia in the second semi-finals of the 2018 FIFA World Cup with the winners facing France in the final.
The U.S. men's national team failed to make this year's World Cup for the first time since 1986.
The girl who suffered cardiac arrest was given CPR immediately at the scene but she did not survive.
Cristiano Ronaldo may have played his last World Cup game in Portugal's 2-1 defeat to Uruguay.
England and Belgium will face each other in their final group stage game Thursday with the winner guaranteed a place on the top of Group G.
Diego Maradona's antics were shown throughout Argentina's 2-1 win over Nigeria on Tuesday.
Without a true "Group of Death," several countries have already booked their spot in the knockout stage.
There have been many surprises in the World Cup group stage.
Argentina need to beat Nigeria and hope Iceland don't better their result against Croatia to progress in the World Cup.
Argentina's 3-0 loss to Croatia puts them in serious risk of a group stage exit.
The European Union will begin issuing tariffs that target American imports like Harley-Davidson motorcycles and others.
Lionel Messi missed a penalty against Iceland but will be looking to bounce back against Croatia on Thursday.
Argentina began their 2018 FIFA World Cup campaign with a disappointing draw against Iceland on Saturday.
The Federal Reserve's hawkishness could also bring cheer for a small group of Asian economies that wouldn't mind seeing their currencies weaken
Lionel Messi missed a second half penalty as Argentina only managed a 1-1 draw with Iceland.
Roger Federer will regain the world No. 1 ranking if he reaches the final of the Mercedes Cup.