THE HAGUE, Netherlands (AP) — The far-right, anti-Islam populist Geert Wilders was headed for a massive parliamentary election victory Wednesday in one of the biggest political upsets in Dutch politics since World War II, and one that is bound to send shockwaves through Europe.

The result puts him in line to lead talks to form a new ruling coalition and possibly become the country’s first hard-right prime minister at a time of political upheaval through much of the continent.

The exit poll published by national broadcaster NOS said that Wilders’ Party for Freedom won 35 seats in the 150-seat lower house of parliament, more than double the 17 he won at the last election. Final official results were only expected on Thursday.