Armed conflicts and attacks

• Russo-Ukrainian War
  • 2022 Russian invasion of Ukraine
    • Eastern Ukraine campaign
      • Ukraine says that "fierce fighting" is underway in the east and northeast of the country as Russian troops try to break through Ukrainian defensive lines in Kharkiv, Donetsk, Luhansk and Zaporizhzhia Oblasts. (Reuters)
• Israeli–Palestinian conflict
  • Gaza–Israel conflict
    • Israeli Air Force jets launch airstrikes on an underground rocket manufacturing site, and a military base used by Hamas in the Gaza Strip, in response to rockets fired by Palestinian militants into southern Israel. (Reuters)
  • 2023 East Jerusalem synagogue shooting
    • Seven Israeli Jews are killed and ten others are injured in a mass shooting at a synagogue in Jerusalem. The perpetrator is killed by police. (Israel National News)
• Azerbaijan–Iran relations, Terrorism in Iran
  • Attack on the Azerbaijani embassy in Tehran
    • A guard is killed and two others are injured during a shooting at the Azerbaijani embassy in Tehran, Iran. The perpetrator is arrested. (Al Jazeera)
• Syrian civil war
  • Use of chemical weapons in the Syrian civil war
    • The Organisation for the Prohibition of Chemical Weapons concludes with "reasonable grounds" that the Douma chemical attack that occurred on April 7, 2018, was carried out by the Syrian military. (Al Jazeera)

Business and economy

• China–United States trade war
  • European Commissioner for Internal Market Thierry Breton announces that the European Union will join the United States in blocking the sale of technology to China that would allow them to produce advanced semiconductor chips. (South China Morning Post)

Disasters and accidents

• 2023 Auckland floods
  • At least two people are killed by severe flash flooding in New Zealand's largest city Auckland. (NZ Herald)
• Environmental issues in Pakistan
  • It is announced that at least 18 people have been killed in the past two weeks by toxic chemicals from factories in Karachi, Sindh, Pakistan. (Al Jazeera)
• A Russian Mi-8 helicopter of the {{ill|"Rossiya" special flight squad|ru|Специальный лётный отряд «Россия»}}, which transports members of the government and armed forces, crashes at the Vnukovo Airport in Moscow. According to some reports there are injuries, with TASS reporting that pilot error is the main cause of the helicopter crash. (RTVI)
• Five people are killed as a result of landslides and floods in Manado, North Sulawesi, Indonesia. (CNN Indonesia)

Health and environment

• Western Australian radioactive capsule incident
  • It is announced that a radioactive capsule was reported missing along a 1,400-kilometre stretch of highway in Western Australia. (ABC News Australia)
• Rewilding
  • South Africa agrees to send twelve cheetahs to India each year for the next eight to ten years to help establish a "viable and secure cheetah population" in the wild. The Asiatic cheetah became extinct in India in the 1940s due to hunting and habitat destruction. (BBC News)

Law and crime

• Death of Tyre Nichols
  • Authorities in Memphis, Tennessee, United States, release footage of 29-year-old Tyre Nichols being violently assaulted by multiple Memphis Police Department officers during a traffic stop on January 7. (AP)
• Cannabis in Hong Kong
  • Hong Kong's Customs and Excise Department announces that all products containing cannabidiol will be banned as of February 1 and that the chemical will be classified in the same category as heroin and cocaine. (South China Morning Post)

Politics and elections

• 2023 Czech presidential election
  • Czechs head to the polls to vote in the second round of the presidential election. (BBC News)
• Greek wiretapping scandal of 2022
  • Prime Minister Kyriakos Mitsotakis survives a no-confidence vote called by former prime minister Alexis Tsipras over the wiretapping scandal. (AFP via The Sun)