WATCH: The Prime Minister won’t say whether or not she knew about a Trident malfunction

It will therefore be concluded that she did know when she spoke in a Commons debate on the matter last July.

James Frayne: Britain should raise defence spending to 2.5 per cent of GDP

If we can’t afford defence, what can we afford?

Tim Jenkins: Brexit will mean that Britain will need to deploy even more soft power

The ability to leverage a nation’s influence through international networks and institutions is key to promoting the national interest in the modern world.

Nadhim Zahawi: Both men vying for the Labour leadership pose a threat to our national security

The safety of the British people cannot be trusted to politicians who simply try to wish away dangers like ISIS and Putin.

Henry Hill: Jones tries to lay down Brexit ‘red lines’ to the Prime Minister

Also: GMB claim SNP demand for Trident removal is election stunt; Cairns sets out conditions for UK Tata bailout, Stormont divisions over EU; and more.

The Trident explosion becomes just another scene in the Corbyn disaster movie

In ordinary times, Labour’s situation in tonight’s vote would be a full-length catastrophe in its own right.

Douglas Hansen-Luke: Tata Steel. Neither closure nor nationalisation make sense. Here’s a strategic alternative.

Javid should be bold, and push for a British steel reserve modelled on America’s oil reserve.

Cameron’s speech to the Scottish Conservative Conference: full text

“We need to tell voters that we’re the party that can challenge the SNP – now the only party that can challenge the SNP.”

Nicholas Mazzei: Trident is a 20th century weapon in a 21st century world. It’s out of date – so let’s ditch it.

By 2030, technology and cyber space will have changed warfare to such an extent that spending billions of pounds on nuclear weapons will look practically pre-historic.

Philip Dunne: Why Corbyn would be wrong to abandon Trident

As the Leader of the Opposition prepares to address a CND rally, we must not forget why we need our effective, efficient deterrent.

Ruth Davidson: Scottish Labour are too weak to argue for Trident – so it’s our responsibility to be strong

The Government should put the question to the House now, in the interests of national security.

Chris Grayling: Labour have demonstrated their inability to take power seriously

The new leadership’s ideas look like the first sketches of a manifesto that’s more Socialist Worker than New Labour.

What a good Scottish Tory result looks like

The headlines about being Opposition risk inflating expectations. Davidson wants clear evidence of progress and a shift in the terms of debate.

Henry Hill: Polls show Davidson may be closing in on Labour

Also: Welsh Tories accuse Labour of huge pre-election advertising; Sturgeon refuses to back investigation into another SNP MP; and more.

Corbyn, not Marr, chose to make Trident his defining issue

He could prioritise welfare, or the deficit, or a dozen other topics if he chose. But he doesn’t see why he should.