Twenty-nine coal miners are killed in an explosion at the <a href="https://en.wikipedia.org/wiki/Upper_Big_Branch_Mine_disaster" id="mwAXM" rel="mw:WikiLink" title="Upper Big Branch Mine disaster">Upper Big Branch Mine in West Virginia</a>.<sup about="#mwt158" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-28"}}' id="cite_ref-28" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_5#cite_note-28" id="mwAXQ" style="counter-reset: mw-Ref 28;"><span class="mw-reflink-text" id="mwAXU">[28]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-28"><cite about="#mwt155" class="citation news cs1" id="CITEREFUrbina2010">Urbina, Ian (2010-04-09). <a class="external text" href="https://www.nytimes.com/2010/04/10/us/10westvirginia.html" id="mwDg8" rel="mw:ExtLink nofollow">"No Survivors Found After West Virginia Mine Disaster"</a>. <i id="mwDhA">The New York Times</i>. <a class="mw-redirect" href="./ISSN_(identifier)" id="mwDhE" rel="mw:WikiLink" title="ISSN (identifier)">ISSN</a><span id="mwDhI" typeof="mw:Entity"> </span><a class="external text" href="https://www.worldcat.org/issn/0362-4331" id="mwDhM" rel="mw:ExtLink nofollow">0362-4331</a><span class="reference-accessdate" id="mwDhQ">. Retrieved <span class="nowrap" id="mwDhU">2023-04-04</span></span>.</cite><span about="#mwt155" class="Z3988" id="mwDhY" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+New+York+Times&amp;rft.atitle=No+Survivors+Found+After+West+Virginia+Mine+Disaster&amp;rft.date=2010-04-09&amp;rft.issn=0362-4331&amp;rft.aulast=Urbina&amp;rft.aufirst=Ian&amp;rft_id=https%3A%2F%2Fwww.nytimes.com%2F2010%2F04%2F10%2Fus%2F10westvirginia.html&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+5"></span></span>