
More than 4,000 flights were cancelled globally in the past 24 hours, more than half of which were in the US, as new Covid-19 cases driven by the Omicron variant continue to cause staff shortages at airlines and airports amid a busy holiday travel season. ...

US Defense Secretary Lloyd Austin has contracted COVID-19 and will remain quarantined at home for at least five days, he said in a statement released by the US Department of Defense on Sunday (local time)....

Twitter has permanently suspended an account of US Congresswoman Marjorie Taylor Greene, the Republican Representative from Georgia, for "repeated violations" of the micro-blogging site's Covid-19 misinformation policies. ...

China claims it has beaten the US to developing heat-seeking hypersonic missiles that could home in on targets including aircraft carriers and moving vehicles, Daily Mail reported....

Tesla founder and CEO Elon Musk took to Twitter to reveal how he chose Ashok Elluswamy from India to work as an autopilot team director at his electric vehicle company. ...

A winter storm system hit Chicago, with snow accumulations expected to reach four to seven inches and wind gusts up to 30 miles per hour, according to the National Weather Service (NWS)....

Afghanistan has the highest number of verified child casualties since 2005, said the United Nations Children's Fund (UNICEF), stressing children are dying and suffering because of the "callousness" and every effort should be made to keep these children safe from harm....

The US saw a record high of 691 mass shootings, with at least four victims in one incident, in 2021 as gun violence surged within the year. ...

The Covid-19 situation is exploding at an unprecedented speed and could alter daily life for millions of Americans during the first month of the New Year, the media reported on Sunday....

Canada is going through its worst spike in Covid cases, driven by the Omicron variant, with 41,210 new cases reported on Friday evening, an all-time high for daily cases since the pandemic hit the country in February 2020. ...