Police said the men, whose identities weren't released, were "related to the ongoing investigation," but authorities did not provide additional details.
Police and deputies were in the neighborhood at about 11:30 p.m. Friday investigating a shooting during a home invasion from a day earlier.
The description of the shooting suspect matched that of an armed robbery suspect who police believe struck two convenience stores Friday.
A police tip that the suspect was going to attend a concert in Vancouver led police to the music venue Pop Culture, where police saw the two men in question walk outside several times to smoke.
When they left at about 11:30 p.m., a SWAT team converged on them and one of the men was shot.
The man who was killed reached for a gun after running away from officers, according to police radio monitored at The Columbian, the newspaper reported.
Police spokeswoman Kim Kapp said the officer who fired the shots was from the Vancouver Police Department. The officer, who will be placed on administrative leave per departmental policy, was not identified.
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