Let us go on having a democracy where MPs can arrive by bike for a vote

We saw yesterday that terrorism takes the lives of the innocent, but strengthens the resolve of the survivors to carry on as before.

“Yesterday an act of terrorism tried to silence our democracy”. May’s statement to the House: full text

The Prime Minister gives special thanks to PC Keith Palmer, “every inch a hero”, who gave his life defending Parliament.

WATCH: Police raid in Birmingham Edgbaston linked to Westminster attack

The authorities are trying to establish whether the attacker was working alone or with accomplices.

Garvan Walshe: McGuinness – a planner and executor, we should remember today, of attacks on our democracy

Every such criminal claims to have been “driven” to violence. Their excuses must not be indulged.

WATCH: May – “We will all move forward together. Never giving in to terror.”

She delivered her statement in Downing Street.

Parliament is “a target for those who reject democratic values”. May’s statement on the Westminster attack. Full text.

Theresa May paid tribute to the bravery of police and other emergency services.

Tobias Ellwood, who battled today to save the life of a police officer – and whose life is tragically intertwined with terror

He tried to give a dying policeman mouth-to-mouth resuscitation, and to stem blood loss by applying pressure to the wounds.

Violence at Westminster: eyewitness report from Andrew Gimson

The view from the Commons press gallery of the moments after the attack.

Police statement on Parliament attack: full text

At least one person dead; several injured. Commons in lockdown; Scottish Parliament eventually suspends sitting; Tobias Ellwood “battled to save life of stabbed officer”.

Those who defend Overseas Aid need to face the reality of its current failings

David Cameron should shift the debate to how the system can be reformed.

Nick Paget-Brown: The Prevent programme is about protecting the vulnerable

It is important to help families worried that a teenager is being indoctrinated by terrorists.

How did a terrorist get £1 million from the taxpayer then escape to join ISIS?

At best, sending him to Guantanamo failed – and at worst it backfired spectacularly.

Henry Hill: SNP forced to u-turn on business rates

Also: Merkel ally threatens ‘divide and rule’ approach to Ulster; SNP put far-right extremist on candidates list; Labour expel members fighting Northern Irish election; and more.

Richard Black: Now is the time for the UK to lead NATO

We should not only meet our spending minimum, but exceed it in order to maximise our vital strategic and tactical needs.

Nadhim Zahawi: I found myself banned from Trump’s America. But I want his state visit to go ahead – and to tell him why he’s mistaken.

I fear that the President has poured fuel on the fire of extremism; and created enemies, rather than winning friends.