The 17-year-old boy was shot by a gunman riding a scooter over the weekend in the West Ridge neighborhood. It's the second incident involving a suspect on a scooter.

A 17-year-old boy is in critical condition after being shot during an armed robbery on Chicago’s Far North Side Sunday evening, according to police.

Chicago police were searching for a gunman on an electric scooter who shot and robbed a teenage boy on the city’s Far North Side, authorities said Sunday. At around 5:15 p.m., a 17-year-old boy was approached by a man riding a scooter in the 2100 block of West Granville Avenue near Hoyne Avenue.