A coolant leak at the <a href="https://en.wikipedia.org/wiki/Three_Mile_Island_Nuclear_Generating_Station" id="mwASI" rel="mw:WikiLink" title="Three Mile Island Nuclear Generating Station">Three Mile Island</a>'s Unit 2 <a href="https://en.wikipedia.org/wiki/Nuclear_reactor" id="mwASM" rel="mw:WikiLink" title="Nuclear reactor">nuclear reactor</a> outside <a href="https://en.wikipedia.org/wiki/Harrisburg,_Pennsylvania" id="mwASQ" rel="mw:WikiLink" title="Harrisburg, Pennsylvania">Harrisburg, Pennsylvania</a> leads to the <a href="https://en.wikipedia.org/wiki/Three_Mile_Island_accident" id="mwASU" rel="mw:WikiLink" title="Three Mile Island accident">core overheating and a partial meltdown</a>.<sup about="#mwt178" class="mw-ref reference" data-mw='{"name":"ref","attrs":{"name":"Chase2020"}}' id="cite_ref-Chase2020_35-0" rel="dc:references" typeof="mw:Extension/ref"><a href="./March_28#cite_note-Chase2020-35" id="mwASY" style="counter-reset: mw-Ref 35;"><span class="mw-reflink-text" id="mwASc">[35]</span></a></sup>