June 15, 2011 (CHICAGO) (WLS) -- A 15-year-old boy was mugged at gunpoint and struck on the head by a group of teens near the Ogilvie Transportation Center in the West Loop on Tuesday evening. The incident happened about 6:30 p.m. near an alley at 101 N. Clinton St., according to police News Affairs Officer John Mirabelli. The victim was approached by a group of seven male teens, Mirabelli said. One, who was armed with a handgun, approached the victim and demanded his money, according to police. A second teen struck the victim on the back of his head, Mirabelli...