Ministers from the Leaders Party, Jotham Napat and Matai Seremaiah, were this week sacked from cabinet, apparently because of fears about the party's growing strength within the coalition.
While the Charlot Salwai-led government has faced ructions before, these removals are the highest-ranked scalps so far.
A Facebook messenger group chat, leaked to the Daily Post, showed a number of government MPs disgruntled with the Leaders Party.
