Two slain teens among nine shot since Friday in Chicago, authorities say CHICAGO -- Three people have been killed and six others wounded in Chicago gun violence since Friday afternoon, authorities said. Several of the shooting victims, including two of the people killed, were teenagers. The most recent fatality happened about 12:50 a.m. (1:50 a.m. ET) Sunday, when a man was shot and killed in the Lawndale neighborhood. Damian Barnes, 22, was sitting in the driver's seat of a parked vehicle when a gunman got in and shot him in the back, police News Affairs Officer Hector Alfaro said. Earlier in the weekend, Rey Dorantes, 14, was shot multiple times in the chest while standing on the porch of his home in the West Town neighborhood about 11:50 p.m. Friday, according to police. He would have turned 15 on Tuesday, according to a source. Another teen was killed in a fatal shooting that happened about 6:40 p.m. Friday in the West Side Lawndale neighborhood. Victor Vega, 15, and another male were walking when an unknown male approached and fired shots, according to police and the medical examiner's office. The attack was gang-related, a source said. The two slain teens were the youngest of at least eight people shot in Chicago since Friday afternoon. A 17-year-old was in an alley in South Normal Avenue about 12:30 p.m. Sunday when he was shot in the shoulder, according to police News Affairs Officer Jose Estrada. A male walked into Rush University Medical Center with a gunshot wound to the hip about 2:50 a.m. on Sunday, police News Affairs Officer Hector Alfaro said. He was shot in the Lawndale neighborhood, police said. Two boys, aged 16 and 17, were wounded in a shooting in the Chatham neighborhood just after 4 p.m. Friday, police News Affairs Officer Veejay Zala said. Vice President Joe Biden will present his task force's gun policy recommendations Thursday - among them, most likely, to reinstate the Assault Weapons Ban. The younger boy was shot in the thigh was transported to hospital in critical condition. The 17-year-old suffered a graze wound to the chest. In an apparently unrelated shooting in the Auburn Gresham neighborhood, a 17-year-old was shot in the torso and arm in a gang-related attack about 2 p.m. And in the Uptown neighborhood, a 19-year-old man was shot in the buttocks about 12:50 p.m. near North Clarendon and West Buena avenues, police said. Ald. James Cappleman said in a Tweet that the shooting might have stemmed from a drug deal gone wrong.