(West Linn, OR)  --  An armed bank robbery suspect was arrested in Tigard after a police pursuit.  The suspect is accused of robbing the Key Bank in West Linn.  On Monday, the suspect was armed with a large knife when he jumped over the counter and grabbed cash from drawers at each of the teller stations.  When he grabbed the money, he also grabbed a tracker embedded in the money.  Police used that to follow him to Tigard where there was a short vehicle pursuit, and the suspect was taken into custody.  He's charged with robbery, reckless driving, and eluding a police officer.