Alleged Russian interference in the 2016 U.S. election A declassified U.S. intelligence report claims that Vladimir Putin ordered a campaign to influence the U.S. presidential election against Democratic Party candidate Hillary Clinton.
Brazil Members of the Brazilian Primeiro Comando da Capital prison gang kill 31 inmates in the Monte Cristo prison in the state of Roraima. This action was revenge for an earlier massacre in a prison in Amazonas that killed 56 inmates.
Fort Lauderdale airport shooting An arriving passenger from Alaska removes his checked-baggage pistol and kills five people and injures six at the Fort Lauderdale–Hollywood International Airport in Florida.
The Limited The Limited announces the closing of all of its brick-and-mortar stores and will begin operating only online after January 8.
Series of mutinies Republican Forces of Côte d'Ivoire soldiers launch mutinies in three cities across Ivory Coast. The Defense Minister Alain Donwahi says talks are ongoing with the soldiers, calling for all troops to return to their barracks.
Syrian civil war Russia begins to withdraw its forces from Syria, with its aircraft carrier battle group being the first to leave. The United Nations says the ceasefire is "largely holding".