(Former Nairobi gubernatorial candidate Miguna Miguna (Photo/mwakilishi.com)

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Ahead of the October 26 presidential election rematch pitting President Uhuru Kenyatta and his bitter rival Raila Odinga who is flying the NASA flag,former Nairobi governor candidate Miguna Miguna is becoming a thorn in Jubilee flesh.

In a post on his Facebook page, Miguna has vowed to ensure that the Jubilee pair fall after the much-awaited poll.

"I, @MigunaMiguna,hereby swear, that I shall beat both @UKenyatta and @WilliamsRuto like DRUMS until the fall on October 30. So, help me God," Miguna posted.

Miguna's attack on Uhuru and Ruto came barely hours after he took on Attorney General Githu Muigai over a potential power vacuum should the IEBC fail to conduct elections within 60 days of the Supreme Court ruling that nullified the August 8 presidential election.

After a bitter fallout with the former Prime Minister in the run to the 2013 elections, Miguna has slowly gravitated back to the opposition and has since become Raila's fiercest defenders.

And given an opportunity to hit at Jubilee, the outspoken Canada-trained Lawyer doesn't hesitate to speak his mind, a feature that has defined Miguna's political life.