The ordnance contains 290lb (131kg) of "high explosives", the Royal Navy says.
Doctors from a children's hospital have saved the life of a premature baby hippo.
The senior embassy official and a state airline worker are wanted over Kim Jong-nam's killing.
Prince Harry explains what he thinks the best teachers can do for pupils.
Pension rules for police widows in Wales and England have been called "antiquated" and "manifestly unfair".
An airport in California has released video of a plane, being flown by the actor Harrison Ford, mistakenly flying low over an airliner.
Calls in Russia for Matilda, the true story of a future tsar and a ballerina, to be banned over blasphemy.
Amnesty International singles out President Trump as an example of a "more divisive politics".
The pilot involved in a plane crash that killed five was being investigated over a 2015 mid-air incident.
Artist Joshua Smith's tiny creations replicate real buildings.
Her widower said the event was a "fitting tribute" to the mother-of-two, who was murdered last June.
Cities and citizens are increasingly connected - are we creating an urban machine?
The countdown to the Brit Awards has begun. Who's performing, and who's going to win?
The income barrier prevents thousands of Britons from bringing their foreign spouse to the UK.
BBC News looks at the idea of the "purple pound" and how much it is worth to the economy.
How do people juggle staying in work with a painful and debilitating condition like arthritis?
The business people with life-changing injuries and illnesses who created bespoke jobs.
Signs may include excessive clinginess, recurrent nightmares or over-friendliness towards strangers.
What has been described as the first transgender doll has gone into production in the US.
Leading figures and activists on the alt-right have split over controversial comments made by one of the movement's champions.