The Tucson Police Department is investigating a hit-and-run pedestrian collision on Tucson's south side.
A male pedestrian was involved in the collision on Tucson Boulevard north of 10th Street, said Sgt. Kimberly Bay a police spokeswoman. He sustained serious injuries during the incident.
Police have shut down the roadway between 10th Street and 8th Street.
Anyone with information about the incident is asked to call 9-1-1 or 88CRIME.