SALISBURY — Multiple reports of gunshots fired were investigated at Zion Hills Apartments early Monday morning, and police say the shootings were gang-related.

Officers from the Salisbury Police Department responded to calls from near Building 7 at the apartment complex, at 1614 Standish St.

Police said people near the apartment building did not cooperate with investigators, but one witness said he saw two men running toward Brenner Avenue at the time of the shots.

Police found seven shell casings near the building and a black Toyota Corolla with four bullet holes.

Police also found an iPhone behind the apartment building.

Later Monday, police returned to Zion Hills Apartments after a call about an armed suspect. Police arrested Dontrell Correll Horne, 26, of Henry Town Circle, on a charge of second-degree trespassing.

Police were again called to the apartment complex at 11 p.m. Tuesday after an officer on foot patrol heard shots fired. Police received several calls about that incident. A witness said people at West Fisher and Partee streets were firing a pistol. An officer found a group of five people walking in the area.

Alterek Simpson, 19, told an officer that he fired shots on Partee Street. Police found a pistol in Simpson’s book bag, and Simpson said he found the weapon.

Police said Simpson is a Livingstone College student and that the college’s security office is helping with the investigation.

Simpson was charged with carrying a concealed weapon.