Romania’s finance chief said a new government will need to move quickly to fix state finances even after the election of Bucharest Mayor Nicusor Dan as president helped soothe market turmoil that’s engulfed the Black Sea nation.

Hard-right nationalist George Simion could win Romania’s presidential election run-off on Sunday – a vote being held five months after the original election was annulled.

Romanians backed a staunch European Union supporter in a presidential election rerun on Sunday over a Donald Trump ally, a major victory for—among others—neighboring Ukraine, nearly complete data show.

As Romania heads into a critical presidential runoff on Sunday between two starkly different candidates, many view the final vote as a geopolitical choice between East or West.