Russia, the United States and France have called for an immediate halt to the fighting.
Afghan President Ashraf Ghani voiced guarded hopes for negotiations that his government has opened with the Taliban to end two decades of war.
Microsoft said that attackers have been targeting staff from the campaigns of President Donald Trump and his Democratic rival, Joe Biden.
Fresh clusters have been reported in countries that had previously brought their outbreaks under control.
Resurgent virus outbreaks have forced nations around the world to step up measures against the contagion.
The United States is the world's worst-hit country with 135,171 deaths from 3,301,820 cases.
The pandemic is gathering pace in Latin America, and Iran and India have reported worrying increases in deaths and infections.
As of 1900 GMT, a total of 400,581 deaths were recorded worldwide.
The national outcry following the murder could lead to new laws against honour killing.
Panicked Iranians drank bootleg or industrial alcohol after they heard rumours that drinking alcohol can cure the disease.
The Islamic republic is scrambling to contain COVID-19 a week after announcing the first two deaths in Qom.
Iranian government forces homosexual people to choose between unwanted gender reassignment surgeries or public execution
Solskjaer indicated he would instead give his players some time off to spend alone during the winter break.
The blurry film, shot from a rooftop in a village four miles from an Iranian military site, shows the Kiev-bound plane on fire.
The Kiev-bound plane was knocked out of the sky hours after Tehran had launched a wave of missiles at US troops in Iraq.
In an interview, US Defense Secretary Mark Esper said Trump was still willing to hold talks with Iran's leaders.
Iran's official IRNA news agency had published a statement from the military saying the Boeing 737 was mistaken for a "hostile plane."
Investigators are pursuing several possibilities, including engine failure, a missile strike or an act of terror.
Trump signaled Wednesday he was stepping back from the brink of war with Iran after a US drone strike that killed commander Qasem Soleimani.
Wall Street's three main indexes racked up fresh records and Asia broadly followed suit, though the gains were light.
Both Canada and the United States called for a full investigation to determine the cause of Wednesday's crash.
The Iranian Civil Aviation Organisation said it had questioned witnesses both on the ground and on board a second aircraft.