The Worcester Police Department is requesting your assistance in locating two missing teens from Springfield. The pair ran away together and were last seen in Worcester. 15-year-old Valerie Demarco (left) 15-year-old Nevaeh Mack (right). Yesterday, they were picked up by a yellow cab in Worcester and dropped off in the Beacon street/ Oread Street area. If you have any information, please call 508-799-8606.