A scientist has warned that artificial intelligence could "any day now create a catastrophe" and "needs to be tackled more urgently" than climate change.

A wargame that tested how real-life local authorities, the emergency services and the military might respond to an attack on the UK has revealed a genuine appetite across the country for this kind of worst-case scenario training.

Boris Johnson has been caught up in a security scare after a train behind the one he was travelling in was hit by a Russian drone in Ukraine.

Boris Johnson has been caught up in a security scare in Ukraine after a train behind the one he was travelling in was hit by a Russian drone, reports say.

Police have released images of six men a week after an anti-migrant protest in Portsmouth in which officers were injured and vehicles were damaged.

Donald Trump has talked up Irish reunification for a third time this weekend, saying "it is natural to put north and south together".