A <a class="mw-redirect" href="https://en.wikipedia.org/wiki/June_2013_Quetta_bombing" id="mwAXQ" rel="mw:WikiLink" title="June 2013 Quetta bombing">bomb explodes</a> on a bus in the <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Pakistani" id="mwAXU" rel="mw:WikiLink" title="Pakistani">Pakistani</a> city of <a href="https://en.wikipedia.org/wiki/Quetta" id="mwAXY" rel="mw:WikiLink" title="Quetta">Quetta</a>, killing at least 25 people and wounding 22 others.