Gunman 'nonchalantly' opens fire in Colorado Walmart, kills three - police

THORNTON, Colo. (Reuters) - Police in Colorado on Thursday were searching for a gunman who calmly walked into a Walmart in suburban Denver and opened fire with a handgun, randomly shooting at shoppers and store clerks, killing three people, before he fled.

from Reuters: World News http://ift.tt/2zejuKJ