A man who allegedly held four people hostage at gunpoint, firing shots during the ordeal, faces a dozen felony charges.The suspect, Robin Lynn Wray, 51, is charged with four counts of aggravated assault, four counts of aggravated kidnapping, and four counts of possession of a firearm during the commission of a dangerous felony. He will face hearing Aug. 30 before General Sessions Judge Larry Ross.Wray was charged after an incident at a home on Harrison Ferry Road that was reportedly sparked by an argument over a stereo speaker. The argument escalated to the point where Wray reportedly grabbed a 22-caliber rifle and stopped anyone from leaving the residence.“He employed a 22-caliber rifle while preventing those four individuals from leaving the residence where he had been engaged in an altercation,” said Sheriff’s Lt. Jody Cavanaugh, noting the suspect placed them in a room together so they could not get away.