Thirteen people have been injured after a mass shooting at a party in Alabama over the weekend. Police said they found 350 shell casings at the scene.

In Montgomery, Alabama, a crowded party turned violent when gunfire erupted, leaving 13 people injured, according to officials. The incident occurred early Sunday morning, with police and medical personnel responding to reports of shooting victims at approximately 1:46 am.

The suspect in a mass shooting at a grocery store in Arkansas was armed with a pistol, a 12-gauge shotgun and had a bandolier with dozens of extra shotgun rounds, authorities said. It was one of at least 14 mass shootings in the US since Friday,