Arthur Sinodinos says MPs must act on 'the best science' when it comes to climate – as it happened

Liberal senator gives final speech. Plus, Scott Morrison tells parliament IMF update 'reflects the uncertainty of the times in which we live'

8.30am BST

And on that note, we will call it a night.

A very big thank you to Mike Bowers and the Guardian brains trust for all they did to keep me standing today. The struggle was very, very real.

8.22am BST

And a little bit more:

The liberal democracies are open societies, that is our strength and vulnerability.

We cannot make threats to our democratic institutions by adopting the tactics of authoritarian regimes that undermines our fundamental values and beliefs.