Presidential candidate Zbigniew Religa has withdrawn his candidacy and asked his supporters to back the frontrunner from the liberal Civic Platform party, Donald Tusk.
The prominent heart surgeon, 66 year-old Religa was ahead in the polls three months ago but according to the latest estimates, he was expected to win about six percent of the vote in the elections.
Tusk, who is a deputy speaker of the Parliament, is seen neck-and-neck with the conservative Warsaw mayor Lech Kaczynski on 23 percent. They are ahead of the speaker of Parliament Wlodzimierz Cimoszewicz, who served as prime minister, as well as foreign and justice minister in the previous left-wing cabinets, who is expected to get 19 percent.