 Complete the following phrase:  Electoral setbacks for the PSOE in the Basque and Galician regional elections held on 25 September 2016 unleashed a party crisis which led to Pedro Sánchezs ouster as leader on 1 October. An interim party leadership was appointed, which chose to abstain to allow government formation and prevent a third general election. As a result, Mariano Rajoy was re-elected as prime minister for a second term in office on 29 October amid public outcry and protest at PSOEs U-turn, which was also met with opposition from within the party15 MPs eventually not complying with the partys directive and voting against Rajoy nonetheless. Rajoys government would only last for 20 months until 2018, as public outcry at the emergence of new corruption scandals and judicial blows to the ruling party would prompt Sánchezwho would secure re-election as PSOE leader in June 2017to bring down the PP government in the 