Two 18-year-old men were shot and killed in West Phoenix during a suspected drug transaction Saturday evening, authorities said. 

Shortly before 6 p.m. officers responded Banner Estrella Medical Center in response to two men who arrived with critical gunshot injuries, Sgt. Jonathan Howard, a Phoenix police spokesman, said. 

Both men died of their injuries, he said. 

Howard said a third man, who might be involved in the incident, arrived at the hospital with a gunshot injury. He expected to live.

The investigation revealed the men were involved in a drug sale near 67th Avenue and Van Buren Street when they were shot and killed, according to police. 

No suspect information was available Sunday morning. 

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