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OpenAI has revealed some of its models went rogue and hacked into another artificial intelligence company in an "unprecedented cyber incident".

Anthony Joshua has won his comeback bout against Kristian Prenga with a second-round knockout.

India's 'Cockroach' movement has agreed to end protests after talks with the government, following the resignation of education minister Dharmendra Pradhan.

Firefighters suffered minor injuries and three fire engines were destroyed in a "significant" blaze at a large industrial unit in Essex which caused supplies of fertiliser to explode.

Sperm whales can hang vertically in the water while sleeping by releasing gas bubbles that regulate their buoyancy, scientists found.

The Trump administration has imposed new tariffs of at least 10% on imports from 60 countries over claims they failed to prevent forced labour. 

Andy Burnham has made a third policy announcement to help bring down costs - after dropping hints there would be more to come.

Sir Salman Rushdie has testified at the terrorism trial of the man convicted of trying to kill him. 

Andy Burnham needs to "build bridges" with the Starmerite minister he sacked during his reshuffle, Baroness Harriet Harman has told the Electoral Dysfunction podcast.

England gymnast Gabriel Langton has been taken to hospital after a bad fall at the Commonwealth Games.

The government has asked prison staff to make them aware of any "stability issues" that may develop inside jails after delays to prisoners' early release dates, Sky News understands. 

Residents are "upset, angry and frustrated" over evacuation orders in a Highlands village and smoke from a nearby wildfire that has been called "apocalyptic".

The UK is set for its fourth heatwave next week - and it may not be the last of the summer.

Japanese authorities have captured a bear following a multi-day search that saw nearly 100 schools close.

The Democratic Republic of Congo (DRC) has recorded more than 3,000 confirmed cases of Ebola, as it continues to battle the fastest-growing outbreak of the disease in history.

The European Union (EU) has imposed another big fine on a US tech giant in defiance of warnings of reprisals from Donald Trump.