Norbert Hofer talks to the press following the first results in the election for the European Parliament in Vienna on May 26, 2019 | Alex Halada/AFP via Getty Images Austrian far right to back no-confidence vote in Kurz Sebastian Kurz could be ousted hours after a successful EU election.

Austria's far-right Freedom Party (FPÖ) will back a no-confidence motion against Chancellor Sebastian Kurz later Monday.

Norbert Hofer, the interim leader of the FPÖ who has been in office for less than two weeks, told Austrian media and AFP on Monday morning his party would "probably agree" with the motion against the chancellor.

Hofer, a former infrastructure minister who nearly won the Austrian presidency in 2016, took over the FPÖ leadership from Heinz-Christian Strache, following Strache's resignation after a video emerged in which he offered to trade lucrative government contracts for campaign donations from a supposed Russian millionaire. Strache had also been the vice chancellor of the FPÖ, the minority party in the governing coalition with Kurz's Austrian People's Party (ÖVP).

The leaked footage led to the collapse of Austria's government just one week ahead of the European Parliament election. After Strache's resignation, Kurz called for the dismissal of FPÖ Interior Minister Herbert Kickl, which prompted all other FPÖ ministers to resign. Kurz also called for a snap general election, likely to be held in September.

Austria's Social Democrats (SPÖ) — the main opposition party — announced late Sunday that they would not support the chancellor. SPÖ leader Pamela Rendi-Wagner told broadcaster ORF that Kurz had not fulfilled his responsibility to find a stable solution after the Freedom Party scandal.

Rendi-Wagner labelled this as a "failure," adding that the country "needs a stable solution until the new elections."

Hofer on Monday also confirmed his party had already started informal talks with the Social Democrats.

In Sunday's European Parliament election, Kurz's party became the strongest force in the country, polling at 34.9 percent and winning seven seats. The SPÖ will get five seats and the FPÖ three seats.

The chancellor thanked voters in a video message on Twitter, speaking of "the best result ever for the People's Party in an EU election."