Milwaukee police say a pedestrian was struck and killed by a driver who had been shot.The deadly collision happened just after 8 p.m. Sunday near North 60th Street and West Hampton Avenue.According to investigators, Jamaul Jones, 35, of Milwaukee, was hit by a driver as he helped his brother push his car that broke down in traffic.The 27-year-old Milwaukee man who lost control of his vehicle and hit Jones was found to be suffering from a gunshot wound.Jones died at the scene.The Medical Examiner's Office described his injuries as so severe they were "incompatible with life."According to investigators, Jones' brother called him for help after his car broke down.Jones was standing between his brother's car and the median when he was hit and then pinned against a landscaping truck.Several witnesses said other people went to the driver and pulled him from the car and viciously assaulted him before realizing he'd already been shot.The other driver was taken to a hospital to be treated for his injuries.He was listed in critical condition.At this time, police do not believe the men knew each other.The name of the other driver has not been released.Police said they believe he was shot in the chest before he hit and killed Jones.It's not clear at what location he was shot.The circumstances leading up to the shooting and crash are under investigation. No other details were available.So far no arrests have been made in connection with the shooting.It's not clear why the driver lost control and hit Jones or where he was going when the collision happened.Jones' mother told WISN 12 he was a father of two kids -- a boy and a girl -- and was devoted to his family.The intersection where he died was notorious for reckless driving, including a street racing crash last month that killed two innocent men who were struck by a car driving at more than 100 mph.Anyone with information was asked to contact Milwaukee police at 414-935-7360 or Crime Stoppers at 414-224-TIPS or use the P3 Tips App to remain anonymous.