Category: Atrocity, from Wikidata’s class “mass murder”
2026 Onikişubat school shooting
Wikidata classes on our event-class list: mass murder (all its classes: Wikidata item)
On 15 April 2026, a school shooting occurred at the Ayser Çalık Secondary School in the Onikişubat district of Kahramanmaraş Province, Turkey. İsa Aras Mersinli, a 13-year-old student enrolled at the school, shot and killed 12 people and injured 13 more. Mersinli died from hypovolemic shock after sustaining a fatal knife injury while attempting to flee the scene.
The shooting occurred the day after a school shooting in the Siverek district of Şanlıurfa Province. It is the deadliest school shooting in the history of Turkey.
Text retrieved 2026-10-06 from Wikipedia.
Cite this
The link is the Wikipedia revision of October 21, 2026 (revision 1381343204), whose lead is exactly the text shown here.
APA 7
2026 Onikişubat school shooting. (2026, October 21). In Wikipedia. https://en.wikipedia.org/w/index.php?title=2026_Oniki%C5%9Fubat_school_shooting&oldid=1381343204
MLA 9
“2026 Onikişubat school shooting.” Wikipedia: The Free Encyclopedia, Wikimedia Foundation, 21 Oct. 2026, en.wikipedia.org/w/index.php?title=2026_Oniki%C5%9Fubat_school_shooting&oldid=1381343204.
Chicago (note)
Wikipedia, “2026 Onikişubat school shooting,” last modified October 21, 2026, 19:39 (UTC), https://en.wikipedia.org/w/index.php?title=2026_Oniki%C5%9Fubat_school_shooting&oldid=1381343204.
Chicago (shortened note)
Wikipedia, “2026 Onikişubat school shooting.”
Chicago cites well-known reference works such as Wikipedia in notes only, not in the bibliography.
This event on Middle East, 1900–present: https://middleeast.events/event/2026-onikisubat-school-shooting
If you use the map’s borders: CShapes 2.0 - historical country borders. Schvitz, G., et al. (2022). CC BY-NC-SA 4.0. https://icr.ethz.ch/data/cshapes/ (modified by middleeast.events); West Bank Areas A/B/C: UN OCHA / HDX "Oslo Agreement" Areas A/B/C (West Bank). Distributed under the legacy HumanitarianResponse.info terms: non-commercial use with credit to UN OCHA. https://data.humdata.org/dataset/state-of-palestine-other-0-0-0-0-0; some corrected border points: GeoNames - CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). https://www.geonames.org/
Text from Wikipedia, licensed CC BY-SA 4.0 by Wikipedia contributors, from the article 2026 Onikişubat school shooting. Classes are Wikidata’s labels (CC0).