(Vancouver, WA) -- Vancouver Police shot and killed a man armed with a gun Saturday afternoon. Officers responded to a report of a man with an aggressive dog that had bitten someone. The man was also reportedly armed with a gun. Officers say the dog tried to bite someone. As two officers approached the man he pulled what appeared to be a gun and pointed it at one of the officers. An officer shot the suspect who died at the scene. The Clark County Sheriff's Office is leading the investigation.