22 March 2022
An attack on a Ukrainian chemical plant released toxic ammonia, forcing locals to stay indoors. Analysts suggest Russia may carry out more such attacks as a form of chemical warfare, and could escalate to deploying chemical weapons
2 September 2021
A group of experts are calling for a ban on anti-satellite weapons tests because the debris they could create may threaten other satellites or even make parts of Earth’s orbit unusable
9 May 2019
US hostility to arms control treaties has put Iran back on a path to building nuclear weapons, and inspectors could be left blind if the deal collapses
7 September 2018
Media reports say the dose of Novichok nerve agent used in the Salisbury attack was high enough to kill thousands – but this would have been almost impossible
17 July 2018
On Monday, Vladimir Putin said he’d given Donald Trump a note with suggestions on disarmament. This might be the first move in extending an important agreement
30 April 2018
Last week saw a historic meeting between the leaders of North and South Korea, but the promise of a nuclear-free Korean Peninsula may not be so easy
27 March 2018
We have the international tools to resolve uncertainties over the poisoning of Sergei and Yulia Skripal – but they will only work if Russia cooperates
16 October 2017
In refusing to recertify the Iran nuclear deal, US president Donald Trump risks creating another North Korea – as another Republican president did before him
4 October 2017
The political reality is that the US will never be rid of its weapons. The country must realise its gun epidemic is a public health crisis, and treat it as such
7 September 2017
US defence officials are starting to signal a willingness to use nuclear weapons against North Korea on a limited scale. Unsurprisingly, that’s a bad idea
