The Socialist Party candidate was a heavy favourite to defeat far-right Chega party leader André Ventura going into the presidential election runoff.
Two exit polls have given centre-left candidate António José Seguro a convincing win over far-right rival André Ventura in Sunday's Portuguese presidential election.
Seguro, 63, had won between 67% and 73%of the vote to 43-year-old Ventura's tally of between 27% and 33% according to projections from two national television stations based on exit polls.
11 million people in Portugal and abroad were eligible to cast their ballots for the election.
António José Seguro was a favourite to win the runoff against André Ventura, whose Chega party was created in 2019 and is now the largest opposition force in parliament.
In the first round of the election, Seguro won 31.1% of the vote while Ventura took 23.52%.
This story is developing and will be updated by our journalists as more news comes in.