September 2013 power struggle
The September 2013 power struggle was a political crisis in Taiwan, entailing the power struggle between President Ma Ying-jeou and the speaker of the legislature Wang Jin-pyng, both of the governing Kuomintang party. It set a historical precedent in which both the president and the premier Jiang Yi-huah were interrogated simultaneously and separately.
Source: Wikipedia — September 2013 power struggle (CC BY-SA 4.0)