GRAND PRAIRIE, Texas (CBSDFW.COM) - A SWAT standoff at an apartment complex in Grand Prairie Sunday ended with a 21-year-old man in custody after police say he fired shots at officers.

Police say they responded to a call about a gunshot being heard from an apartment in the 500 block of West Westchester Parkway at around 5 p.m.

According to police, the suspect, Nathan Israel, fired a gun inside his girlfriend's apartment while he was alone.

Police say Israel fired the gun at arriving officers through a window. A SWAT team was called to the scene.

After about an hour of negotiations, the 21-year-old surrendered to SWAT officers.

He was taken into custody and charged with aggravated assault against a peace officer. He's also expected to face more charges.

There were no injuries reported during the incident.