Key facts
- Poland's opposition Law and Justice (PiS) party has split.
- Over 30 MPs have left the party following a power struggle between leader Jarosław Kaczyński and former Prime Minister Mateusz Morawiecki.
- The split is the most significant internal rupture in PiS since its founding in 2001.
- The division weakens the conservative bloc's position ahead of the 2027 parliamentary elections.
