Downing Street staff held two parties the night before Prince Philip's funeral - at a time when Covid restrictions banned indoor mixing.
The events, first reported...
South African scientists - hailed for their discovery of Omicron - are investigating the "highly plausible hypothesis" that the emergence of new Covid-19 variants...
Existing vaccines should still protect people who contract the Omicron variant from severe Covid cases, a World Health Organization (WHO) official says.
It comes as...