The new variant of Covid-19 is "hugely" more transmissible than the virus's previous version, a study has found.

The US Congress has overturned President Donald Trump's veto of a defence spending bill, the first time this has happened in his presidency.

Iran intends to start enriching uranium to 20% purity, the UN's atomic watchdog says - its most significant breach of an international nuclear deal so far.

A surge in coronavirus cases in the UK is of "extreme concern", a health boss says, as a record number of cases was reported for the second day running.

There will be "bumpy moments" for UK businesses and travellers as they get to grips with new EU rules, says government minister Michael Gove.

The EU and UK have reached a post-Brexit trade deal, ending months of disagreements over fishing rights and future business rules.

Karima Baloch, a Pakistani human rights activist living in exile in Canada, was found dead on Sunday. Police say they have no reason to suspect foul play, but Karima's family and supporters say her death at least warrants closer inspection. After all, she is the second prominent Pakistani dissident to drown in exile this year. The BBC spoke to her family about a woman they called "a mountain of courage".

US President Donald Trump has pardoned former campaign manager Paul Manafort, ex-adviser Roger Stone and the father of Trump's son-in-law.

Tempers have become frayed at the port of Dover as lorry drivers face continuing delays despite France reopening its border with the UK.