(Beaverton, OR)  --  A man is in police custody following a pursuit in Beaverton.  The Washington County Sheriff's Office says 56-year-old Robert Townsend had warrants out for his arrest for an incident that occurred in Columbia City.  He crashed a minivan near 170th Avenue and Kattegat Drive yesterday afternoon and was taken to the hospital with minor injuries.  A deputy's vehicle was damaged while trying to stop Townsend.  He now faces charges of attempted assault on a peace officer, attempt to elude, and criminal mischief.