The aftermath of a bomb strike at a refugee camp in Rann, Nigeria.
EPA
The Nigerian government has dealt Boko Haram some serious blows, but the insurgency is far from over.
Obsessional coverage of attacks plays into the hands of terrorism. Responsible reporting is what is now called for.
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In the aftermath of Westminster, how much reporting was constructive and how much was simply publicity for terrorists?
In conversation: Martin Rees.
EPA Images
The Astronomer Royal answers some of the world’s – and the universe’s – biggest questions.
How risky is it to swim?
Christine Cabalo/Wikimedia
We naturally overestimate the risk of rare events, like shark attacks or terrorism. But there are things you can do to think more rationally about the real risk.
Aftermath of the 2016 Berlin attack.
EPA/Rainer Jensen
Al-Qaeda and Islamic State have both encouraged would-be terrorists to use cars and trucks as weapons.
MP Tobias Ellwood tried to save the policeman killed in Westminster.
PA/Stefan Rousseau
A charity is recommending the public be advised to help each other in emergency situations.
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A way in for government would also allow hackers access.
ISIS has claimed responsibility for the May 22 attack at a concert by pop singer Ariana Grande in Manchester, England, killed many teenagers.
Stefan Wermuth/Reuters
Last night’s terrorist attack in Manchester 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.
PA/Victoria Jones
Motivation is what separates an act of violence from an act of terrorism, and we don’t know what drove Khalid Masood to kill.
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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.
REUTERS/Toby Melville
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.
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The ban on electronic devices in cabin luggage overlooks the airports that would be least likely to detect a bomb.
PA/Stefan Rousseau
Even when a response goes to plan, lessons can be learnt.
A matter of tone.
EPA/Jack Taylor
Whatever you think of her politics, May’s decision to rise above divisive tough talk was an admirable one.
EPA/Andy Rain
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.
Ciro Fusco/EPA
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.
EPA/Andy Rain
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…