DURHAM (WTVD) -- A man is recovering after being attacked inside a parking garage in downtown Durham. Durham Police say they received a 911 call about the incident Wednesday morning.Crews found the 55-year-old man in a pool of blood on the fourth-level stairwell in Corcoran Street parking deck. It happened shortly before 9:30 a.m.Police arrested a 15-year-old in the attack and robbery of the man.Police say an officer working off-duty at the bus station downtown heard a description of the suspects and saw some men matching the descriptions. He apprehended the teenager after a brief foot chase. The investigation is still active.Catherine Howard lives downtown and uses the parking deck occasionally. She is terrified."It makes me feel like I need to have people walk to the car with me," Howard said. "And I have never felt that way before-even though I have lived here for five years. "The city owns the garage, and said police do regular patrols. John Herrera says a few years ago his boss was attacked and robbed, but since then, he's seen significant improvements."They painted. They put more lights and cameras," Herrera said." It's as safe as it's going to get anywhere in this country. But it's just very unfortunate."City leaders say the last similar incident was in 2008. And more recently there were two minor arrests for trespassing, drug possession, and damage to property.The suspect is charged with robbery and aggravated assault. Because he is a minor, his name and photo are not released.