Manchester City have been banned from European club competition in 2020/2021 and 2021/2022 after being found to have committed "serious breaches" of UEFA's club licensing and financial fair play regulations.
The reigning Premier League champions have also been fined 30m euros.
The decision is subject to appeal to the Court of Arbitration for Sport.
Manchester City say they are "disappointed but not surprised" by the "prejudicial" decision and will appeal.
They added in a statement: "The club has always anticipated the ultimate need to seek out an independent body and process to impartially consider the comprehensive body of irrefutable evidence in support of its position.
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