Early results from polling stations in Tunisia put the Islamist Ennahda Party in the lead in many constituencies today.
Electoral officials are counting votes in landmark elections that saw more than 90% of registered voters cast ballots.
Official results are not expected until later today or tomorrow.
Boubker Bethabet, secretary general of the country's election commission, said more than 90% of the 4.1 million registered voters participated.
Radio Mosaique FM posted results from polling stations around the country, with many showing a commanding lead for Ennahda.
Tunisians voted yesterday to elect a constituent assembly in the first elections emerging from the uprisings around the Middle East known as the Arab Spring.