Peter Magyar’s Tisza, which scored a landslide win over Viktor Orban's Fidesz, shot to prominence following a controversial presidential pardon in a child sex abuse case.

Former Viktor Orbán loyalist and his Tisza party have enjoyed meteoric rise as opposition movement grows

Most polls favour Péter Magyar, who fronts a grassroots party, but PM Viktor Orbán has been in a defiant mood.

Close Trump ally Viktor Orbán has been ousted from power after 16 years