Chelsea have been dealt a blow in their pursuit of Nathan Ake as Manchester City have decided to keep the defender, according to reports.Thomas Tuchel is keen to add more defenders to his squad and Chelsea have already wrapped up a €40 million (£33.8m) deal to sign Kalidou Koulibaly from Napoli.Chelsea have also targeted Ake and have already held talks with City over a deal for the Netherlands international this summer.But according to The Athletic, both City and Ake have come to a ‘mutual decision’ for him to remain with Pep Guardiola’s side.The report claims that City were unwilling to sell Ake unless their valuation was met, while the 27-year-old is ‘pleased’ to be staying in Manchester.Ake started just 10 games in the Premier League last season but is considered a valuable member of the squad due to his versatility.Chelsea are now likely to focus on completing a deal with Paris Saint-Germain for Presnel Kimpembe.It’s understood that the France international is keen on joining Chelsea, where he would be reunited with Tuchel and Thiago Silva, who he played alongside at PSG.It’s understood that PSG want a €50m (£42.3m) fee for Kimpembe.What Frenkie de Jong has told team-mates about joining Man Utd as Barca eye drastic actionCristiano Ronaldo breaks social media silence after asking to leave Manchester UnitedLisandro Martinez set to join Man Utd squad in Australia as transfer is wrapped upSpeaking during Chelsea’s pre-season training camp in Los Angeles this week, Tuchel made it clear that strengthening his defence is the main focus.‘The priority right now is defence, it’s not a secret.
From there we need to see what’s possible,’ Tuchel said.‘We’re competing against the two top teams but Tottenham did a very active and