Spain’s elections Sunday will be a battle between two leftist and two rightist parties that are teaming up to form potential coalitions.

Spain’s top opposition leader Pablo Casado will remain in charge of the Popular Party until early April, when party members are expected to choose a new leadership.

The leader of Spain’s main opposition party is set to meet fellow conservative heavyweights with his future at risk amid an ugly clash with a Popular Party rival.

Months of simmering tensions within Spain’s main opposition party has come to a head with an exchange of ‘friendly fire’ between the conservatives’ national leadership and the regional chief of Madrid, a rising star in the Popular Party.

Vox party leader Santiago Abascal walks past Spain's Prime Minister Pedro Sanchez, left and 2nd Deputy Prime Minister Pablo Iglesias during a parliamentary session in Madrid, Spain, Thursday Oct. 22, 2020. Spanish Prime Minister Pedro Sanchez is facing a no-confidence vote in parliament brought by the nation's far-right Vox party. (Pablo Blazquez Dominguez/Pool via AP)MADRID – Spanish lawmakers on Thursday overwhelmingly rejected a no-confidence motion called by the far-right Vox party against Prime Minister Pedro Sánchez and his left-wing coalition over their handling of the coronavirus pandemic. The motion was rejected by 298 votes and backed only by the 52 lawmakers of Vox, which last year became the third-largest force in the 350-seat parliament. Vox leader Santiago Abascal responded by saying that Casado's position was showing PP's true colors.

A Madrid Emergency Service (SUMMA) health worker checks the temperature of a man prior to a rapid antigen test for COVID-19 in the southern neighbourhood of Vallecas in Madrid, Spain, Wednesday, Oct. 7, 2020. (AP Photo/Manu Fernandez)MADRID – A Madrid court on Thursday struck down a national government order that imposed a partial lockdown in the Spanish capital and its suburbs, siding with regional officials who had resisted stricter measures against one of Europe’s most worrying virus clusters. It also left 4.8 million residents in Madrid and nine suburban towns wondering whether it was appropriate to go away on a long weekend extended by Monday’s national day celebration. Casado also called for the health minister to step down for promoting measures that he claimed politically targeted the Madrid region. Experts say numbers in all countries understate the true toll of the virus due to limited testing, missed cases, government concealment and other factors.