<a href="https://en.wikipedia.org/wiki/Russian_Empire" id="mweA" rel="mw:WikiLink" title="Russian Empire">Russian</a> troops <a href="https://en.wikipedia.org/wiki/Lena_massacre" id="mweQ" rel="mw:WikiLink" title="Lena massacre">open fire</a> on striking goldfield workers in northeast <a href="https://en.wikipedia.org/wiki/Siberia" id="mweg" rel="mw:WikiLink" title="Siberia">Siberia</a>, killing at least 150.