The DUP leader gave her side of the heating scandal story at the RHI Inquiry at Stormont.
Plenary begins with Questions to the First Minister, and the statements include autism and the historic environment.
MSPs backed a motion urging the UK government to engage with the Scottish government on future trade deals.
The Commons debates giving MPs who can't be present in the chamber, due to family commitments or ill health, the chance to register their vote, by proxy voting.
Jean-Claude Juncker gives his last 'state of the union' speech as president of the European Commission.
The parliamentary agenda looks designed to avoid controversies in the run-up to the party conference season - but that's no reason to assume there won't be dramas.