At an election rally in <a href="https://en.wikipedia.org/wiki/Tijuana" id="mwAQc" rel="mw:WikiLink" title="Tijuana">Tijuana</a>, Mexican presidential candidate <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Luis_Donaldo_Colosio" id="mwAQg" rel="mw:WikiLink" title="Luis Donaldo Colosio">Luis Donaldo Colosio</a> is assassinated by <a href="https://en.wikipedia.org/wiki/Mario_Aburto_Martínez" id="mwAQk" rel="mw:WikiLink" title="Mario Aburto Martínez">Mario Aburto Martínez</a>.