Arsenal have told Manchester City that Spain international Hector Bellerin is not for sale.
This has been reported by the Daily Mail, who claim that the Citizens have expressed an interest in the full-back.
Bellerin, 21, has gone from strength-to-strength in north London over the course of the last year and has quickly established himself as one of the leading right-backs in the Premier League.
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It's not exactly surprising, then, that new City boss Pep Guardiola is a fan of the player. The former Barcelona boss has already added the duo of Ilkay Gundogan and Nolito to his squad, but it appears that Bellerin will not be joining them at the Etihad.
The report from the Mail documents that City have concerns over the quartet of Pablo Zabaleta, Aleksandar Kolarov, Gael Clichy and Bacary Sagna.
All four players are approaching the latter stages of their career, so it's fair to say that Guardiola will have to make changes sooner rather than later.
But fans of Arsenal will be pleased that the club aren't willing to entertain any potential offers from City.
Arsene Wenger and co. have a history of selling players to their rivals; Dutchman Robin van Persie previously joined Manchester United, while Samir Nasri joined the ranks at the Etihad back in 2011.
Arsenal title pursuit
After failing to overhaul eventual Premier League champions Leicester City last term, the Arsenal chief will surely be determined to lead his side to glory this season.
With the likes of Alexis Sanchez, Mesut Ozil, Aaron Ramsey and co. currently plying their trade at the Emirates, there's a notion that Arsenal must recruit a world-class striker to compete with the big boys.
With Danny Welbeck on the sidelines for the long-term, the Gunners only really have France international Olivier Giroud and versatile forward Theo Walcott at their disposal in attack. A major forward signing is clearly required, but will the Arsenal hierarchy act?
What do Arsenal need to win the Premier League this season? Have your say below!