A mass shooting at a crowded bar on an idyllic South Carolina island has left four people dead and at least 20 injured, officials say. The shooting occurred at Willie's Bar and Grill on St. Helena Island in the early hours of Sunday, according to local authorities. A large crowd was at the scene when sheriff's deputies arrived and found several people suffering from gunshot wounds. "Multiple victims and witnesses ran to the nearby businesses and properties seeking shelter from the gun shots,"