A powerful <a href="https://en.wikipedia.org/wiki/2013_Prague_explosion" id="mwATY" rel="mw:WikiLink" title="2013 Prague explosion">explosion</a> occurs in an office building in <a href="https://en.wikipedia.org/wiki/Prague" id="mwATc" rel="mw:WikiLink" title="Prague">Prague</a>, believed to have been caused by natural gas, and injures 43 people.<sup about="#mwt219" class="mw-ref reference" data-mw='{"name":"ref","attrs":{},"body":{"id":"mw-reference-text-cite_note-40"}}' id="cite_ref-40" rel="dc:references" typeof="mw:Extension/ref"><a href="./April_29#cite_note-40" id="mwATg" style="counter-reset: mw-Ref 40;"><span class="mw-reflink-text" id="mwATk">[40]</span></a></sup>
<span class="mw-reference-text" id="mw-reference-text-cite_note-40"><cite about="#mwt216" class="citation news cs1" id="mwCU0"><a class="external text" href="https://www.theguardian.com/world/2013/apr/29/explosion-prague-injures-dozens" id="mwCU4" rel="mw:ExtLink nofollow">"Prague explosion possibly caused by gas injures dozens"</a>. <i id="mwCU8">The Guardian</i>. Associated Press. 29 April 2013<span class="reference-accessdate" id="mwCVA">. Retrieved <span class="nowrap" id="mwCVE">29 November</span> 2021</span>.</cite><span about="#mwt216" class="Z3988" id="mwCVI" 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=Prague+explosion+possibly+caused+by+gas+injures+dozens&amp;rft.date=2013-04-29&amp;rft_id=https%3A%2F%2Fwww.theguardian.com%2Fworld%2F2013%2Fapr%2F29%2Fexplosion-prague-injures-dozens&amp;rfr_id=info%3Asid%2Fen.wikipedia.org%3AApril+29"></span></span>