Killing spree A policeman kills six people, including his wife, and injures two others during a killing spree in Kabete, Kenya, before committing suicide.
LGBT rights in the Americas A bill to legalize same-sex marriage in Chile is approved by both chambers of the National Congress.
A bill to criminalize the widely discredited practice of conversion therapy passes the Senate in Canada without opposition, one week after it passed the House of Commons without opposition; the bill now awaits royal assent to become law.
COVID-19 pandemic A trial of a plant-based COVID-19 vaccine conducted by GSK and Medicago shows an overall 71% efficacy against disease caused by the predominant SARS-CoV-2 variants of concern observed during most of 2021, and 75% efficacy specifically against disease caused by Delta. The study excludes the Omicron variant, which was not in circulation at the time of the clinical trials.
Uganda reports its first seven cases of the SARS-CoV-2 Omicron variant in travellers from four countries.
President Andrés Manuel López Obrador and his cabinet ministers receive COVID-19 vaccine booster doses as the government begins administering booster doses for people over the age of 60.
The French overseas territory of Martinique orders a nightly 8 p.m. curfew beginning tomorrow amid a worsening situation of the COVID-19 epidemic in the territory.
The EMA and the ECDC approves the mixing and matching of two different COVID-19 vaccines for both initial and booster doses.
The Spanish Public Health Commission approves the usage of the Pfizer–BioNTech COVID-19 vaccine for children between the ages of 5 and 11 years. Vaccination rollout for this age group will begin on December 15.
Norway restricts the number of visitors in private homes to 10 people and reduces the hours that bars and restaurants can serve alcohol until midnight due to an increase in the number of COVID-19 cases and hospitalizations.
Northern Ireland reports its first cases of the SARS-CoV-2 Omicron variant in two people from the same household in the greater Belfast area and a third unrelated person.
Minibus Thirteen people are killed in a collision between a minibus and a truck in Chernihiv Oblast, Ukraine.
2021–22 European windstorm season European Windstorm Barra causes at least 56,000 power outages across the United Kingdom and Ireland.
Gitega prison fire At least 38 people are killed and 69 more are injured during a fire at an overcrowded prison in Gitega, Burundi.
2021 Semeru eruption The death toll from the eruption of the Semeru volcano in East Java, Indonesia, increases to 34.
United Arab Emirates The United Arab Emirates says that weekends in the country will occur from Friday afternoon to Sunday, effective January 1.
Evergrande liquidity crisis Chinese property developer Evergrande Group misses a deadline for the payment of debt for the first time at the end of a 30-day grace period, pushing the property developer closer to formal default.
Nigerian bandit conflict Bandits ambush and set fire to a passenger bus in Sokoto State, Nigeria, killing 30 people.
Islamic State insurgency in Iraq Four civilians are killed and four more are injured in an ISIL motorcycle bombing near a hospital in Basra, Iraq.
Syrian civil war Israeli Air Force warplanes bomb the Port of Latakia, Syria's main seaport. At least five explosions are reported, with a Syrian military official stating that several missiles struck the container area of the port. It is the first Israeli attack on the facility through which Iran and Hezbollah import weapons into Syria.