Boston Marathon bombing

=== Deaths ===
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 | image1 = A Moment of Silence for the Boston Marathon Victims (8673719618).jpg
 | caption1 = A Boston Fire Station (photographed on April 22) displaying signs memorializing those killed in the bombing, as well as Officer Sean Collier
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| caption2 = Notes adorn the [[Primary school|elementary]] school [[locker]] that had been used by 8-year-old victim Martin Richard
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Three people were killed as a direct result of the bombings. Krystle Marie Campbell, a 29-year-old restaurant manager from [[Medford, Massachusetts]], was killed by the first bomb.<ref name="AutoLC-15" /><ref name=":2" /> Lü Lingzi ({{lang-zh|吕令子|links=no}}),<ref name="AutoLC-16" /><ref name="AutoLC-17" /> a 23-year-old Chinese national and [[Boston University]] graduate student from [[Shenyang, Liaoning]],<ref name="AutoLC-18" /><ref name="Buckley" /><ref name="AutoLC-19" /><ref name="AutoLC-20" /><ref>{{Cite web |title=Lu Lingzi Scholarship {{!}} Office of the Provost |url=https://www.bu.edu/provost/awards-publications/award-opportunities/lu-lingzi-scholarship/ |access-date=2024-04-08 |website=www.bu.edu}}</ref> and 8-year-old [[Martin Richard Foundation|Martin William Richard]] from the [[Dorchester, Boston|Dorchester]] neighborhood of Boston, were both killed by the second bomb.<ref name="Fantz" /><ref name="AutoLC-21" />

Sean Allen Collier, 27 years old, was shot and killed by the bombers as he sat in his patrol car on April 18, at about 10:25{{nbsp}}p.m. He was an [[Massachusetts Institute of Technology Police Department|MIT police officer]], and had been with the [[Somerville Auxiliary Police Department]] from 2006 to 2009.<ref>{{cite news| url=http://www.masslive.com/news/boston/index.ssf/2013/08/slain_police_officer_sean_coll.html| location=Somerville | work=MassLive | title=Slain police officer Sean Collier, killed following Boston Marathon explosions, posthumously appointed to Somerville Police Department | first=Shina | last=Schoenberg | date=August 22, 2013 |access-date= April 11, 2015}}</ref><ref>{{Cite web |title=Patrol Officer Sean Allen Collier |url=https://www.odmp.org/officer/21777-patrol-officer-sean-allen-collier |access-date=2022-03-03 |website=The Officer Down Memorial Page (ODMP)}}</ref> He died from multiple gunshot wounds.<ref name="NYTcollier" />

[[Boston Police Department]] officer Dennis Simmonds died on April 10, 2014, from head injuries he received during the Watertown shootout a year before.<ref name=Simmonds>{{cite news |url = https://www.bostonglobe.com/metro/2015/05/28/line-duty-death-benefits-given-family-boston-police-officer-wounded-tsarnaev-shootout/cr0zpUGx4KaKVkTRmqhH0J/story.html | title = Death benefit given to family of officer wounded in Tsarnaev shootout | first = Jan | last = Ransom | date = May 28, 2015 | access-date = May 28, 2015 | newspaper = The Boston Globe }}</ref>