29 Killed After Two Mass Shootings Over the Weekend .<br />Separate shootings in El Paso, Texas, and Dayton, Ohio, have left <br />a total of 29 dead and 52 injured.<br />In El Paso, 21-year-old Patrick Crusius is accused of opening fire at a shopping center and Walmart. .<br />After killing 20 people <br />and injuring 26, Crusius <br />surrendered to officers.<br />Crusius posted a racist manifesto against immigrants on the message board 8Chan just before the shooting.<br />Federal authorities are treating the shooting as domestic terrorism, according to CNN.<br />It is one of the <br />worst mass shootings <br />in U.S. history. .<br />Our community will not be defined by this senseless act of violence, El Paso Mayor Dee Margo, via Twitter.<br />In Dayton, Ohio, 24-year-old <br />Connor Betts fired an assault rifle into a nightlife district around 1 A.M. .<br />One of the nine killed <br />included his sister. .<br />Betts was killed by police after the shooting. .<br />A motive remains unclear. .
