Saint-Etienne have slammed Arsenal for "imposing absolutely unacceptable sports and financial conditions" after they failed to secure a loan extension for defender William Saliba.
The Frenchman has spent the season with the Ligue 1 club after the Gunners had bought the teenager last summer for £27 million ($33m) only to loan him straight back to Saint-Etienne.
While the Ligue 1 season has been abandoned due to the coronavirus pandemic, Saint-Etienne will face Paris Saint-Germain in the Coupe de France on July 24.
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Claude Puel's side were therefore hoping to secure Saliba's services for a little longer but have been unable to strike a deal with Arsenal despite initial optimism.