Alternative for Germany, a far-right political party under surveillance by intelligence services for suspected extremism, made huge gains in the German general election Sunday, with the center-right Christian Democratic Union likely to lead coalition talks to form the next government.

Exit polls project Germany’s center-right Christian Democratic Union (CDU) garnered the biggest vote share in the country’s elections Sunday—and the far-right Alternative for Germany (AfD) is projected to nab a historic number of votes after garnering the endorsement of billionaire Elon Musk.

Center-right opposition leader Friedrich Merz claimed victory in Germany’s national election on Sunday after exit polls showed his bloc in the lead.