At least seven people are killed and 32 others are injured after a <a href="https://en.wikipedia.org/wiki/2012_Burgas_bus_bombing" id="mwASA" rel="mw:WikiLink" title="2012 Burgas bus bombing">bomb explodes</a> on an <a href="https://en.wikipedia.org/wiki/Israelis" id="mwASE" rel="mw:WikiLink" title="Israelis">Israeli</a> tour bus at <a href="https://en.wikipedia.org/wiki/Burgas_Airport" id="mwASI" rel="mw:WikiLink" title="Burgas Airport">Burgas Airport</a>, <a href="https://en.wikipedia.org/wiki/Bulgaria" id="mwASM" rel="mw:WikiLink" title="Bulgaria">Bulgaria</a>.