Portugal's state police force <a href="https://en.wikipedia.org/wiki/PIDE" id="mw0w" rel="mw:WikiLink" title="PIDE">PIDE</a> <a href="https://en.wikipedia.org/wiki/Pidjiguiti_massacre" id="mw1A" rel="mw:WikiLink" title="Pidjiguiti massacre">fires upon striking workers</a> in <a href="https://en.wikipedia.org/wiki/Bissau" id="mw1Q" rel="mw:WikiLink" title="Bissau">Bissau</a>, <a href="https://en.wikipedia.org/wiki/Portuguese_Guinea" id="mw1g" rel="mw:WikiLink" title="Portuguese Guinea">Portuguese Guinea</a>, killing over 50 people.