A man cleaning his gun accidentally fired a bullet that went through his wall and hit his neighbor, Colorado Springs police said.
Officers were called to the 2,600-block of Avalanche Heights in Colorado Springs on Monday around 10 p.m.
Frank Dawkins told police his gun misfired while he was cleaning it.
The round went through a common wall and hit a neighbor sitting on a couch in the next apartment, police said.
The neighbor was taken to the hospital with a non-life threatening injury.
Police said Dawkins was arrested for Illegal Discharge of a Firearm.