Student injures four people with two knives in Querétaro high school

<a href="https://news.google.com/rss/articles/CBMizgFBVV95cUxNZnR1MVJ3T3FkMk5CckVBdjJ hV3hweDJSNU1VdkZqdWRMY1MxLVNRVWQzdjNGZUU0cGhpTjd3a2o1UVQ5SnVWN25Yd0FxbDlEbGtxQmUxbG...