<div class="at-above-post addthis_tool" data-url="http://www.metro.us/michigan-state-urges-run-hide-fight-as-gunfire-erupts/"></div>EAST LANSING, Mich. (AP) — They broke out windows to escape, barricaded doors and hid under blankets. They silenced their phones — afraid to make even the slightest sound for hours as police searched for a gunman who had already killed three students and critically wounded five others on the Michigan State University campus. The […]<!-- AddThis Advanced Settings above via filter on get_the_excerpt --><!-- AddThis...