Cairo (CNN) -- Former Egyptian military chief Abdel Fattah el-Sisi is poised to win his country's presidential election in a landslide -- though the legitimacy of his victory is already being questioned. Exit polls suggest el-Sisi won 95.3% of the vote, while opponent Hamdeen Sabahy garnered only 4.7%, according to data from the Egyptian Center for Public Opinion Research and the Egyptian TV channel MBC Masr. Egypt's state-run Ahram Online news agency reported an even more lopsided margin, based on unofficial results, with Sabahy only getting 3.5% of the vote. The final results will be announced by Saturday or Sunday, according to the same agency.
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NEW: Losing candidate concedes defeat, challenges the "credibility of the vote
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NEW: Report: Turnout was 48%, below the figure for the last round of the 2012 vote
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NEW: Interim president cancels pardons of 52 Islamists, including Brotherhood leaders
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Ex-military chief El-Sisi won overwhelmingly, according to exit polls and state news
Sabahy, @placeholder's lone competitor, conceded defeat in a press conference Thursday, acknowledging, "It is time to respect the people's choice and admit my loss."