Avondale police are searching for two men near 111th Drive and McKinley Street after several residents saw them gunfighting in the streets around 7:30 p.m.
Police used a helicopter to search a nearby field for the men after they disappeared, leaving several bullet casings behind.
Officials said that a man with a gunshot wound to the stomach appeared at nearby West Valley Hospital Medical Center shortly after the incident and was flown to Good Samaritan Hospital. Police are investigating whether the man was connected to the gunfight.
No bystanders were injured by the gunfire.