Germany's likely next chancellor Friedrich Merz strongly condemned a Russian attack in northeastern Ukraine that killed more than 30 people. He also remains open to providing Ukraine with Taurus missiles.

The cyberattack has led to severe delays to flights across the continent, with airports in Brussels, Berlin and London affected.

British police have arrested climate activist Greta Thunberg during a pro-Palestinian protest in central London. The detention, under terrorism legislation, was linked to a placard referencing a banned group.