CHISINAU, Moldova—A pro-reform party seeking closer ties for Moldova with the European Union has won a clear majority in the parliamentary election, electoral commission results show Monday. Sunday’s election was called by President Maia Sandu, who sought to gain a parliament made up of pro-EU reformists in the former Soviet republic. The Party of Action and Solidarity, or PAS, took almost 53 percent of all votes, compared to the electoral bloc of Communists and Socialists, which took 27 percent. Only one other party passed the threshold to gain seats in Moldova’s 101-seat legislature. Voter turnout in the nation of 3.5 million people—Europe’s poorest country, landlocked between Ukraine and Romania—was just over 48 percent. Sandu, a former World Bank official who used to lead the PAS, has promised to clean up corruption, fight poverty, and strengthen relations with the EU. After ballots closed Sunday the president said she hopes the election …