A south suburban man was fatally shot Sunday afternoon in the Riverdale neighborhood on the Far South Side.

Anthony Barr, 45, was sitting in the driver’s seat of a parked blue SUV at 12:04 p.m. in the 300 block of East 136th Street when he was approached by two males who opened fire before running away, Chicago Police and the Cook County medical examiner’s office said.

Barr, of the 15000 block of Vine Avenue in Harvey, was shot in the head and pronounced dead at the scene at 12:32 p.m., authorities said.