Microsoft says it is aware of a programming flaw which saw some customers' Exchange servers stop processing emails just as the clock struck midnight on New Year's Eve.

Emergency services searching for people missing after wildfires swept through communities in Colorado will use cadaver dogs to hunt through layers of fresh snow covering the smouldering debris.

Secondary school students in England are again being asked to wear masks in classrooms to help tackle the rise in Omicron coronavirus cases.

Contingency plans are being drawn up over fears a quarter of public sector workers could be absent due to the Omicron wave of COVID infections.

India and Pakistan have exchanged lists of each other's citizens they are holding in prison, and details of each country's nuclear assets, under an agreement that has been in place for three decades.

Snow and shivering temperatures have compounded the misery for hundreds of people whose homes were destroyed by a wildfire that tore through residential areas in Colorado.

NHS dental practices are now being obliged to meet 85% of their pre-COVID activity levels or face financial penalties.

Today is the warmest New Year's Day on record, with a temperature of 16.2C (61.1F) recorded in St James's Park, London - but more typical January weather is expected from next week when Arctic air could bring frost and snow to some parts.

Emma Raducanu has withdrawn from an Australian Open warm-up tournament in Melbourne having just come out of isolation after returning a positive Covid test.

And then there were eight.