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... The decision was announced by Istanbul University, a public school, Tuesday evening. The university also said 27 other individuals' diplomas were annulled.

The mayor, one of Turkey's most popular politicians, has been widely viewed as a contender to the presidency since defeating Erdogan's handpicked candidate in Istanbul's mayoral race last year. Imamoglu was set to become the presidential pick for the main opposition Republican People's Party, or CHP, on Sunday.

Voiding his university degree, a mandatory requirement for the office of the presidency, would disqualify him from competing.

Imamoglu criticized the university for what he called an "illegal" decision, saying in an X post that those responsible would be held accountable before history and justice. He is slated to hold a rally in Istanbul on Saturday. ...

The mayor had previously denounced the case, unveiled a day after he declared his run for the presidency, as politically motivated. Imamoglu said he is going to legally challenge the decision but did not think it would lead to a fair result. With appeals potentially running all the way to the constitutional court, it's likely it would take years for the case to be resolved. Turkey is scheduled to vote for its next president in 2028. ...