Armed conflicts and attacks

• 2021 Solomon Islands unrest
  • Australian Federal Police take control of the Solomon Islands capital of Honiara following three days of civil unrest. A nighttime curfew begins at 7:00 p.m. local time while rioting and looting continues in the Chinatown suburb of the city. (Reuters)
  • Three people are found dead at a burnt-out store in the Chinatown suburb in Honiara. (Al Jazeera)

Business and economy

• Economic impact of the COVID-19 pandemic
  • Stocks and oil prices decline sharply amid growing concerns over the SARS-CoV-2 Omicron variant. (FT) (CNBC)

Disasters and accidents

• 2021 Mexico bus crash
  • A passenger bus crashes on a highway in San José del Rincón, Mexico, killing 19 people and injuring 32 others. (ABC News)

Health and environment

• COVID-19 pandemic
  • COVID-19 pandemic in Europe
    • COVID-19 pandemic in Belgium
      • Belgium reports its first case of the Omicron variant in an unvaccinated person who travelled abroad. (Reuters)
    • COVID-19 pandemic in the Czech Republic
      • The Czech Republic reports a record 27,717 new cases of COVID-19 in the past 24 hours. (The Washington Post)
    • COVID-19 pandemic in France
      • France imposes mandatory mask wearing in all indoor venues and outdoor Christmas markets, even when a Health Pass is required for an event, due to an increase in COVID-19 cases, hospitalizations, and deaths. (Euronews)
    • COVID-19 pandemic in Germany
      • Germany reports a record for the third consecutive day of 76,414 new cases of COVID-19. (Anadolu Agency)
  • COVID-19 pandemic in Asia
    • COVID-19 pandemic in Hong Kong
      • Hong Kong reports its first two cases of the Omicron variant in a man who had travelled from South Africa this month, and later in another man staying across the hall in the same quarantine hotel. (The New York Times)
    • COVID-19 pandemic in Israel
      • Israel reports its first case of the Omicron variant in a person who travelled from Malawi. (The Times of Israel)
    • COVID-19 pandemic in the Philippines, Travel during the COVID-19 pandemic
      • The Inter-Agency Task Force for the Management of Emerging Infectious Diseases approves the entry of fully-vaccinated foreign nationals from green-list countries beginning on December 1. (Philippine Daily Inquirer)
  • SARS-CoV-2 Omicron variant
    • The World Health Organization names the Lineage B.1.1.529 variant as "Omicron" and designates it as a "variant of concern" due to the variant's large number of mutations and an increased risk of reinfection. (The Hill)
    • Canada, the EU, Israel, Japan, Morocco, the Philippines, Singapore, Turkey, the UAE, the UK, and the U.S. ban flights from South Africa, Namibia, Zimbabwe, Botswana, Lesotho, Mozambique, Malawi, and Eswatini due to the Omicron variant. (CNN)

International relations

• Russia–Ukraine relations
  • Ukrainian President Volodymyr Zelensky accuses Russia of plotting a coup against him and says that Ukrainian tycoon Rinat Akhmetov was being enlisted to help plan the coup. Zelensky says that his country "is prepared for any scenario" as tensions rise. (The Washington Post)
• 2021 Belarus–European Union border crisis
  • Belarusian President Alexander Lukashenko makes a public appearance at the Belarus–Poland border for the first time since the migrant crisis began. Lukashenko gives a speech to migrants, telling them that they are free to either return home or head west, saying, "If you want to go westwards, we won't detain you, choke you, beat you. It's up to you. Go through. Go." (Reuters)
• France–Italy relations
  • Italian Prime Minister Mario Draghi and French President Emmanuel Macron sign a treaty that strengthens the ties between the two countries "in areas including defence, migration, the economy, culture and trade". (Euractiv) (ANSA)

Law and crime

• Mass shootings in the United States
  • Three people are killed and four others injured during a mass shooting in Nashville, Tennessee, United States. (NBC News)