In Pictures: Tributes pour in for victims of two deadly mass shootings in US

At least 20 people were killed and 40 others injured in a shooting on Sunday (Aug 3) at a Walmart store and neighbouring shops in El Paso, Texas. And less than 24 hours later, in a separate incident, a gunman opened fire in a popular nightlife area of Dayton, Ohio, killing nine and injuring dozens of others.