Updated

A 72-year-old man waiting for a ride to his dialysis treatment has been shot and killed outside his home on Chicago's South Side.

William Strickland was waiting to be picked up for kidney dialysis treatment around 3:30 a.m. Saturday in the Roseland neighborhood.

A witness reported hearing gunfire and then found the man on the ground with several gunshot wounds.

Police believe robbery may have been the motive.

Strickland died before he could be taken to a hospital.

No arrests have been made.