MOSCOW (AP) — Russian election officials on Monday formally barred Russian opposition leader Alexei Navalny from running for president, prompting calls from him for a boycott of next year's vote.

The Central Election Commission decided unanimously that the anti-corruption crusader isn't eligible to run.

Navalny is implicitly barred from running for office because of a conviction in a fraud case which has been viewed as political retribution. He could have run if he was given a special dispensation or if his conviction was cancelled.

Incumbent Vladimir Putin is set to easily win a fourth term i...