Father kills son during gunfight, after arguing over who would take the family's dog on a walk

A 43-year-old father killed his 22-year-old son after they shot each other during an argument over who would walk their dog. The men argued over the pet before drawing weapons at each other and shooting each other in the Burnside area of Chicago on Sunday (house pictured).
The Police said they both shot each other multiple times. The son was taken to Advocate Christ Medical Center in Oak Lawn but was later was pronounced dead.

The father was also transported to the hospital in a critical condition.

Two weapons were recovered at the scene.