A man was killed and another injured Saturday night after gunfire erupted in a shopping center parking lot amid large crowds gathered near Delaware State University following the university's homecoming events, according to the Dover Police Department.

SEATTLE, WASHINGTON — A 36-year-old nightclub security worker was killed and a woman was seriously injured early Sunday morning after a gunman opened fire from a vehicle in the parking lot of a South Seattle nightclub, according to the Seattle Police Department.

A security guard and an off-duty Mesa police officer opened fire on an armed teenager outside a private Halloween party early Saturday morning after the teen allegedly shot at the guard when he was denied entry to the event, according to authorities.

A security guard and a customer were critically injured Friday night after an argument over a dog inside a southwest Houston grocery store escalated into an exchange of gunfire, according to the Houston Police Department.

An armed man was fatally shot by a federal security officer Thursday morning after allegedly attempting to fire a handgun and pulling a knife at a security checkpoint inside a downtown Nashville courthouse, authorities said.

Savannah, G.A. – Chaos unfolded Wednesday evening at Oglethorpe Mall after a shooting left at least five people injured and sparked a massive emergency response.