LONDON Portugal is headed for only the second presidential runoff in its history after no candidate secured more than 50% of the vote in Sunday’s first round, setting up a tight race between Socialist and far-right contenders. With almost all votes counted as of Monday, opposition Socialist Party candidate Antonio Jose Seguro garnered the votes, with some 31%, in the first round of Portugal's presidential election. Far-right Chega party candidate Andre Ventura secured a place in the runoff set