Nigerian troops capture <a href="https://en.wikipedia.org/wiki/Umuahia" id="mwAUY" rel="mw:WikiLink" title="Umuahia">Umuahia</a>, the <a href="https://en.wikipedia.org/wiki/Biafra" id="mwAUc" rel="mw:WikiLink" title="Biafra">Biafran</a> capital.