Paris Saint-Germain on Sunday criticised the "serious and avoidable" injuries suffered by Ousmane Dembele and Desire Doue while on international duty with the France national team.

PSG forward Ousmane Dembele faces about six weeks on the sidelines with a hamstring injury, while winger Desire Doue will be out of action for around four weeks due to a calf problem, the European champions said.

Fabian Ruiz scored twice as European champions Paris Saint-Germain turned on the style in their reunion with Kylian Mbappe on Wednesday, thrashing Real Madrid 4-0 in the semi-finals of the Club World Cup to set up a final showdown with Chelsea.

Paris Saint-Germain's double goal-scoring hero Desire Doue said "a dream has become reality" after Saturday's Champions League triumph.

Paris St Germain remained unbeaten as they won their fourth straight Ligue 1 title in style on home turf after Saturday's 1-0 win over Angers gave Luis Enrique's side an unassailable lead in the French top-flight.

Captain Kylian Mbappe returned to the France squad named Thursday for this month's UEFA Nations League quarter-final against Croatia, as Paris Saint-Germain teenager Desire Doue earned a first call-up.