Kim Jong-un says North Korean scientists have made nuclear warheads small enough to fit on missiles, a claim experts have long cast doubt on.

A rise in the use of anti-depressant drugs among children is a concern, the World Health Organization says.

Slovenia introduces new border restrictions for migrants as part of efforts to close the Balkans route from Greece to Western Europe.

Donald Trump has won Republican contests in Mississippi and Michigan, as he marches towards his party's nomination for president.

More than 100 English council leaders support changes which could result in longer Sunday trading hours, as MPs prepare to vote over the issue.

Buckingham Palace insists the Queen is "politically neutral" over the EU referendum, following a newspaper claim that she "backs Brexit".

Maria Sharapova's failed drugs test was "reckless" and a "big mistake", says ex-World Anti-Doping Agency president Dick Pound.

The number of workers on a zero-hours contract for their main job stood at 801,000 in late 2015, up 104,000 from a year earlier, official figures show.