At least 42 people are killed in a <a href="https://en.wikipedia.org/wiki/Mamudo_school_massacre" id="mwAYs" rel="mw:WikiLink" title="Mamudo school massacre">shooting</a> at a school in <a href="https://en.wikipedia.org/wiki/Yobe_State" id="mwAYw" rel="mw:WikiLink" title="Yobe State">Yobe State</a>, <a href="https://en.wikipedia.org/wiki/Nigeria" id="mwAY0" rel="mw:WikiLink" title="Nigeria">Nigeria</a>.