The Duke of Edinburgh was admitted to hospital on Tuesday evening "as a precautionary measure" after feeling unwell, Buckingham Palace has said.
A winter storm in the US has brought deadly freezing winds, ice and snow to many regions that rarely see such frigid conditions.
The wife of North Korean leader Kim Jong-un has made her first public appearance for the first time in over a year, according to state media.
Former President Donald Trump has launched a scathing personal attack on fellow Republican Mitch McConnell.
Authorities across the US are on alert as a winter storm brings freezing winds, ice and snow to many areas that rarely see such frigid conditions.
US House Speaker Nancy Pelosi says Congress will establish an "outside, independent" commission to investigate the 6 January attack on the US Capitol by supporters of Donald Trump.
US President Joe Biden has said his predecessor Donald Trump's acquittal for inciting mob violence is a reminder that "democracy is fragile".
All British and Irish citizens and UK residents who arrive in England after being in a high-risk Covid country now have to quarantine in hotels.
The US Senate has fallen short of the two-thirds majority needed to convict former President Donald Trump on a charge of incitement to insurrection over the Capitol riot on 6 January.
Amsterdam ousted London as the largest financial trading centre in Europe last month as Brexit-related changes to finance rules came into force.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.