Millions of people are left without electricity after a major power outage affects Kazakhstan, Kyrgyzstan and Uzbekistan. Uzbekistan's energy ministry reports that the power outage had been triggered by an "energy imbalance" in Kazakhstan's power grid.
Pfizer and its German partner BioNTech begin a clinical trial to test the safety and immune response of their Omicron-specific COVID-19 vaccine for adults under the age of 55 years.
Russia reduces the mandatory isolation period for close-contact COVID-19 patients to seven days amid an unprecedented increase in SARS-CoV-2 Omicron variant cases with the country reporting a record for the fifth consecutive day of 67,509 new COVID-19 cases.
Four victims of a shooting are found dead inside a home in Richmond, British Columbia, Canada. The shooting is believed to have happened the night before, and the victims are believed to have known each other.