Michel Platini has said he will appeal the decision taken by Fifa to ban him for eight years.
The head of European football said in a statement that he will appeal to the Court of Arbitration for Sport against his ban from the game announced by the Fifa ethics committee on Monday.
The Frenchman said in a statement that he was "at peace with my conscience".
Outgoing Fifa president Sepp Blatter vowed to "fight" his own ban from the Ethics Committee.
Uefa will support president Michel Platini through an appeal against his eight-year ban, the organisation has said.
In a statement, the body - which represents football associations across Europe - said it was "disappointed" with the decision by Fifa's Ethics Committee to ban and fine Mr Platini.
Uefa has taken note of the decision of the Fifa Ethics Committee to suspend Michel Platini for eight years from all football-related activities.
Naturally, Uefa is extremely disappointed with this decision, which nevertheless is subject to appeal.
Once again, Uefa supports Michel Platini's right to a due process and the opportunity to clear his name.
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Outgoing Fifa president Sepp Blatter has vowed to "fight" after being hit with an eight-year ban from football.
"Suspended for eight years - suspended for what?" he demanded, speaking at a press conference in Zurich following the decision of the Independent Ethics Committee.
He confirmed he plans to take his objections to Fifa's appeals body, go before the Lausanne-based sports arbitration panel, or take legal action under Swiss law if needed.
He said he had served with "heart and conscience" for more than 40 years, and criticised the committee for its handling of the investigation, saying he felt he had been "betrayed".
"I am a man of principles, and these principles are: Never take money you have not earned; secondly, pay your debts - but now they are telling me that I tried to buy votes through Michel Platini votes for the 2011 elections," he added.
Outgoing Fifa president Sepp Blatter has said he is being treated as a "punching ball", after being banned from all football-related activities for eight years.
"To say that it's a good day for me or for Fifa would be totally wrong," he said.
He defended a £1.3 million payment he made to Uefa president Michel Platini, saying it had been part of an oral contract - or "gentleman's agreement" - for his work for Fifa.
He accused the Ethics Committee of ignoring evidence of the agreement.
"I'm sorry that I'm still a punching ball - and I'm sorry for football," he said.
Blatter: I'm really sorry, I'm sorry that I'm still a punching ball. I'm sorry for football.... but I'm sorry about me. How I'm treated ..
Outgoing Fifa president Sepp Blatter has arrived at a press conference after being slapped with an eight-year ban by the footballing body's ethics committee.
Sporting a plaster on his face, Mr Blatter refused to answer questions from the crowd of journalists as he made his way into the building in Zurich.
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Suspended Uefa president Michel Platini will not attend a Fifa ethics committee hearing on Friday, his lawyers have confirmed.
The Frenchman won't be present for the hearing as he is protesting against his suspension from his current role.
Platini could be given a life ban, with the former footballer concerned he won't be given a fair trial, according to French media reports.
Lawyers for Platinit claim the "verdict is already announced" over claims he received a £1.35 million "disloyal payment" from Fifa president Sepp Blatter.