December 21, 2017 (2017-12-21) (Thursday)
Armed conflicts and attacks
Arts and culture
Business and economy
Disasters and accidents
- A ferry sinks off the coast of Luzon in the Philippines with 251 passengers on board. At least four people are reported to have died. The toll is expected to rise, as many are still missing. (NPR)
- 2017 Jecheon fire
International relations
Law and crime
- Slender Man stabbing
- Judge Michael Bohren rules Anissa Weier will spend 25 years in institutional care after she was previously found not guilty by reason of mental disease or defect of the 2014 stabbing of her classmate. (WITI)
Politics and elections
Science and technology