An explosion at an Ariana Grande concert in Manchester late last night has claimed at least 19 lives. Many of those killed and injured appear to be young people and children. Overnight, Conversation Australian columnist Tony Walker has written this early analysis. We will, of course, have more from Manchester through the day.

Theresa May was forced into an embarrassing manifesto u-turn yesterday over her plans for a so-called “dementia tax”. But one story the Conservatives are definitely sticking to is that they have always been the low-tax party. Jeremy Nutall and Katherine Cousins put their claims to the test.

Many scientists believe that humanity’s survival depends on us finding a home beyond planet Earth. But there are some hard questions to answer before we can make this a reality. One is how to reproduce in space – among microgravity and harsh radiation. Thankfully, a new study investigating what happens to sperm in orbit has taken us a step closer. Adam Watkins explains.

Eighty years ago, 4,000 Basque children arrived in Britain, refugees from the besieged city of Bilbao during the Spanish Civil War. Sarah Lonsdale writes about the unsung women heroes who made their escape possible. Meanwhile, as Ulrike M Vieten and Fiona Murphy explain, refugees settling in modern Britain still face a precarious and uncertain life.

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