MADRID, June 27, 2016 (Xinhua) -- Spanish Socialist Party (PSOE) leader Pedro Sanchez (front C) speaks at PSOE's headquarters in Madrid, capital of Spain, on June 26, 2016. The People's Party of Spain's acting Prime Minister Mariano Rajoy has won most seats in the general election on Sunday, preliminary results have showed. (Xinhua/Javier Ortega Ponce)