Prime minister says UK must do more to regulate against potential harms after landmark ruling in US court ...

Higher blend has been prohibited in warm weather because of concerns it could worsen smog ...

Get ready for some playoff thrills and spills ...

Negotiations to end funding standoff sparked by Trump administration’s immigration crackdown fail to find a breakthrough ...

Some people are opting not to travel at all amid what they call ‘a manufactured crisis by the Trump administration’ ...

Having painted London as a crime-ridden no-go zone, you’d have thought the Conservatives might cut McSweeney some slack ...

The comments were part of a broader address in which he condemned Nato allies ...

Letters: Readers respond to an article on having to care for parents if you had a complicated relationship with them ...

Letters: Rob Stevens, Nick Robins and Craig Whiteman on building a resilient energy system for the country in light of the Iran war’s impact ...

Change is on offer across the political spectrum, but no one knows whether apathy or tactical voting will prevail ...

Donald Trump insists Iran is still interested in cutting a peace deal despite Tehran rejecting the US plan. Lucy Hough speaks to the Guardian’s senior international correspondent, Julian Borger ...

Today show host calls 84-year-old mother’s disappearance ‘unbearable’ in first interview since possible kidnapping ...