An elderly convenience store owner in California is being hailed as a hero after he shot at a would-be robber who ran out of the store screaming that his arm was “shot off.” Shocking surveillance footage from Norco Market & Liquor in the 2800 block of Clark Avenue in Norco, Calif., showed a masked assailant entering the business at about 2:47 a.m. with an AR-15-style rifle pointed at the 80-year-old store owner. The suspect yelled, “Freeze, hands in the air,” but within seconds, the quick-thinking store owner pulled out a shotgun from under the counter and immediately shot once at...