The UK court decision against Boris Johnson's move to prorogue, or suspend, parliament could set an important precedent for Australian governments that try to do the same thing.
It's technically possible to topple the government but it wouldn't be easy.
Proroguing the parliament for five weeks at a crucial time may prove to be a masterstroke in ensuring a no-deal Brexit.
MPs opposed to a no-deal Brexit have won a small victory in parliament – but what does it mean?
John Major was right – it didn't end well for the 17th-century king, who ignored parliament and lost his head.