De Bruyne, who joined City from Wolfsburg in 2015, signed a six-year deal at The Etihad in January.
City view De Bruyne as central to their long-term plans as they target domestic and European dominance and the clause is a deterrent to would-be suitors. "The journalist asked me if we would sell for 250 million and I said "no". "The clause is €250m".
"De Bruyne does everything and everything well, but still has room to grow".
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Hurricane Helene is heading north to open sea and now poses no danger to land after the storm hit cooler waters in the Atlantic. The president also said the states affected could get "more water than we have ever seen in a storm or a hurricane".
Now Manchester City boss Pep Guardiola has recalled the conversation he had with Lionel Messi which lead to Busquets becoming such a key figure in the first tea, . "And I said, 'When there is trouble, he will be there"'.
Having coached Barcelona's B team before he replaced Frank Rijkaard as the senior team's manager and says he intends to one day return to work in the Blaugrana's youth academy. Argentina? No, thank you.
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Met Éireann said: "Current indications are that (ex-) tropical storm Helene will approach Ireland's south coast during Tuesday". On the forecast track, Isaac will move over the eastern and central Caribbean Sea during the next few days.
For now, though, Guardiola insists he is very happy at City.
"Here [City] I feel very good, very protected from football", he said.
'What's important is that Raheem and his people know how delighted we are with him'. "I do not feel judged by a defeat or victory".
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Florence has caused the evacuation of some 1.5 million people with millions more likely to see some impact from the howling winds. The Army Corps of Engineers was preparing to start work restoring power, installing temporary roofing and removing debris.