<a href="https://en.wikipedia.org/wiki/Pretoria_Pit_disaster" id="mwlg" rel="mw:WikiLink" title="Pretoria Pit disaster">An underground explosion</a> at the <a href="https://en.wikipedia.org/wiki/Hulton_Colliery_Company" id="mwlw" rel="mw:WikiLink" title="Hulton Colliery Company">Hulton Bank Colliery</a> No. 3 Pit in <a href="https://en.wikipedia.org/wiki/Over_Hulton" id="mwmA" rel="mw:WikiLink" title="Over Hulton">Over Hulton</a>, <a href="https://en.wikipedia.org/wiki/Westhoughton" id="mwmQ" rel="mw:WikiLink" title="Westhoughton">Westhoughton</a>, England, kills 344 miners.