Early Sunday morning, a man shot into a crowd in downtown Dayton, Ohio, killing nine people and injuring 27 others. Fast-acting police killed the gunman, preventing more fatalities.
Hours earlier, on Saturday morning in El Paso, Texas, a man opened fire at a crowded Walmart, killing 22 people and injuring dozens of others.
On July 30, a man described by authorities as a disgruntled employee shot and killed two store managers at a Southaven, Mississippi, Walmart. The suspected shooter wounded a police officer before he was shot and arrested.
On July 28, a gun man shot and killed three people at the Gilroy Garlic Festival in Gilroy, California. Police said the shooter died of a self-inflicted gunshot wound.
"Please do what you can to spread kindness and love in the face of these tragic events," the company said in a final tweet in the thread. The tweet directed followers to donate directly to the American Red Cross.