MP Tobias Ellwood tried to save the policeman killed in Westminster.
A charity is recommending the public be advised to help each other in emergency situations.
A way in for government would also allow hackers access.
Floral tributes lie in Parliament Square following the March 27 2017 attack in Westminster, central London, Britain.
Stefan Wermuth /Reuters
Last week’s terrorist attack in London reveals the challenges facing European intelligence and security services in preventing people who use everyday things like cars to cause mayhem.
Theresa May addresses the nation, March 22 2017.
Richard Pohle/The Times/PA Wire/PA Images
For all their defiant talk of 'business as usual', savvy leaders know that any good response to a crisis is also an emotional performance.
Motivation is what separates an act of violence from an act of terrorism, and we don't know what drove Khalid Masood to kill.
A survey of what young people perceive to be the biggest threat to Europe reveals some surprising information.
Police conduct a search near the Houses of Parliament, a day after the attack on Westminster.
Dominic Lipinski/PA Wire
Hyperbolic approaches to threat measurement don’t lead to very effective counter-terrorism policy.
Injured people are assisted after an incident on Westminster Bridge in London.
Was the London attacker acting alone? Was he really a soldier of the Islamic State? Research on the nature of jihadism in the West reveals possible answers.
The ban on electronic devices in cabin luggage overlooks the airports that would be least likely to detect a bomb.
Even when a response goes to plan, lessons can be learnt.
A matter of tone.
Whatever you think of her politics, May's decision to rise above divisive tough talk was an admirable one.
In the rush to compete, news organisations can still make basic errors. They need to remember the lessons of the past.
A gang-related shooting in Naples.
Police and the courts have locked up some of Europe's most notorious mob bosses – but the next generation of would-be kingpins are even worse.
Armed police outside Westminster as the attack unfolded on March 22.
Stefan Rousseau/PA Wire
In recent years, anti-terrorism defences have become more subtle. That might be about to change.
Five people are dead – including the perpetrator – following a terror attack in London.
Just when the Western world had absorbed the shock of a truck attack in Berlin in December that claimed 12 lives, it is reminded again of the dangers of “lone-wolf” attacks inspired by Islamic State (IS…
Westminster in lockdown.
There had been warnings and the city was on high alert. Police are now conducting a major terrorist investigation.
An Afghan militia vehicle on the outskirts of Kunduz, in October 2016.
Bahsir Khan Safi/AFP
Under the Obama administration, the US army began to recruit, arm, and finance local militias to fight the Taliban. With Trump in the White House, what remains of this strategy?
Parisians gather at the Bataclan nightclub on November 13, 2016, to commemorate the one-year anniversary of terror attacks that took 130 lives across Paris.
Colleen Murrell speaks to The Daily Beast's Christopher Dickey about living in and reporting from Paris in the wake of a wave of terror attacks in the last two years.
The continent needs investment – and China has long been providing it.
Foreign Minister Adel al-Jubeir will likely intensify the Washington charm offensive and continue to stress Saudi Arabia’s indispensability to regional security and terrorism matters.
This year will continue to be a period of great uncertainty in Saudi Arabia. After a deterioration of relations with the United States under President Obama, the kingdom will be focused on strengthening…