Global nuclear arsenal set to grow for first time in decades

Thinktank also says nuclear powers must take immediate action to prevent rise amid heightened risk of weapons’ use

Russia-Ukraine war: what we know on day 110 of the invasion

Fierce street fighting continues in Sievierodonetsk, where Russian forces destroyed a bridge cutting off possible evacuation route

Russian forces pound Sievierodonetsk as fears grow for stranded civilians

Moscow said to control 70% of Ukrainian city, where destruction of bridge leaves residents with only one route out

UK ramps up gas and oil exports to EU amid Russia’s war in Ukraine

Britain’s goods exports to EU a record £16.4bn in April despite impact of Brexit

Ukraine asks the west for huge rise in heavy artillery supply

Zelenskiy adviser says far more hardware is needed to reach ‘heavy weapons parity’ with Russia and drive out its forces

More than 15,000 millionaires expected to leave Russia in 2022

Data suggests exits after invasion of Ukraine, while UAE predicted to overtake US and UK as top destination for world’s wealthy

Pope Francis says Ukraine war was ‘perhaps somehow provoked’

Pontiff condemns ‘cruelty’ of Russian troops while warning against perception of conflict as good v evil

Millions at risk in South Sudan as Ukraine war forces slashing of aid

Drastic cuts to World Food Programme assistance will leave people ‘looking death in the face’ unless global donors offer support

Sievierodonetsk evacuation continues despite loss of main bridges

Removal of civilians perseveres in ‘quiet’ moments as Russia shifts bulk of military efforts to capturing city

Russia bans 29 UK journalists, including Guardian correspondents

Military figures and MPs on list along with staff from most major British newspapers and broadcasters

Russia-Ukraine war: what we know on day 112 of the invasion

Zelenskiy says outcome of battle for Donbas will determine course of the war; Russia calls on Ukrainian forces in Sievierodonetsk to lay down arms

RHS garden with burnt-out cottage ‘shows Ukraine’s spirit cannot be erased’

Victoria and Oleksiy Manoylo, who were in Milan when Russia invaded, have poured their trauma into garden

‘Justice’ for Ukraine overshadowed by cost of living concerns, study shows

Polling across 10 European countries and UK shows respondents favouring an end to the conflict rather than holding Russia accountable

Welcome to the Guardian’s Ukraine news channel. theguardian.com/world/series/ukraine-live

US to build temporary silos on Ukraine border to export grain

Joe Biden working with European governments to avert global crisis and help lower food prices

Ukraine ignores Russian ultimatum to surrender Sievierodonetsk

Fears grow over the hundreds of civilians believed to be sheltering in the city’s Azot chemical plant

US says China’s support for Russia over Ukraine puts it on ‘wrong side of history’

‘China claims to be neutral, but its behavior makes clear that it is still investing in close ties to Russia,’ state department says

Former footballer Igor Denisov condemns Russia’s war in Ukraine

Former captain of Russian team said he fears he could be ‘jailed or killed’ for speaking out against the conflict

Two US volunteers in Ukraine feared taken prisoner by Russia

The pair’s disappearance, the first believed to have been captured in Ukraine, would add another layer of complexity to US efforts against Russia

European leaders expected to visit Kyiv to show support for Ukraine

Volodymyr Zelenskiy to push leaders of Germany, France and Italy to send more weapons to help army withstand Russian invasion

Plan needed to make Russia pay reparations to Ukrainians, says report

International courts not in a position to award compensation and UN would have no enforcement power, says UK thinktank