<a href="https://en.wikipedia.org/wiki/2019_Yuen_Long_attack" id="mwAYc" rel="mw:WikiLink" title="2019 Yuen Long attack">Yuen Long attack</a> or "721 incident" in Hong Kong. <a href="https://en.wikipedia.org/wiki/Triad_(organized_crime)" id="mwAYg" rel="mw:WikiLink" title="Triad (organized crime)">Triad</a> members indiscriminately beat civilians returning from <a class="mw-redirect" href="https://en.wikipedia.org/wiki/2019–20_Hong_Kong_protests" id="mwAYk" rel="mw:WikiLink" title="2019–20 Hong Kong protests">protests</a> while police failed to take action.<sup about="#mwt70" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-12"}}' id="cite_ref-12" rel="dc:references" typeof="mw:Extension/ref"><a href="./July_21#cite_note-12" id="mwAYo" style="counter-reset: mw-Ref 12;"><span class="mw-reflink-text" id="mwAYs">[12]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-12"><cite about="#mwt67" class="citation news cs1" id="mwBxU"><a class="external text" href="https://www.theguardian.com/world/2019/jul/22/where-were-the-police-hong-kong-outcry-after-masked-thugs-launch-attack" id="mwBxY" rel="mw:ExtLink nofollow">"<span class="cs1-kern-left" id="mwBxc"></span>'Where were the police?' Hong Kong outcry after masked thugs launch attack"</a>. <i id="mwBxg"><a href="./The_Guardian" id="mwBxk" rel="mw:WikiLink" title="The Guardian">The Guardian</a></i>. 22 July 2019. <a class="external text" href="https://web.archive.org/web/20190722033537/https://www.theguardian.com/world/2019/jul/22/where-were-the-police-hong-kong-outcry-after-masked-thugs-launch-attack" id="mwBxo" rel="mw:ExtLink nofollow">Archived</a> from the original on 22 July 2019<span class="reference-accessdate" id="mwBxs">. Retrieved <span class="nowrap" id="mwBxw">23 July</span> 2019</span>.</cite><span about="#mwt67" class="Z3988" id="mwBx0" title="ctx_ver=Z39.88-2004&amp;rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&amp;rft.genre=article&amp;rft.jtitle=The+Guardian&amp;rft.atitle=%27Where+were+the+police%3F%27+Hong+Kong+outcry+after+masked+thugs+launch+attack&amp;rft.date=2019-07-22&amp;rft_id=https%3A%2F%2Fwww.theguardian.com%2Fworld%2F2019%2Fjul%2F22%2Fwhere-were-the-police-hong-kong-outcry-after-masked-thugs-launch-attack&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AJuly+21"></span></span>