(Portland, OR)  --  A Portland man is facing charges after allegedly trying to rob a gun shop in Donald.  Police arrested 47-year-old Thomas Fisher Wednesday for the incident at Rich's Gun Shop.  Fisher allegedly entered the shop and asked to see an AK-47.  When the employee handed it to him, he allegedly took off running.  Three employees say they found him outside trying to load a round of ammo into the gun.  The employees were able to hold him down until police arrived to arrest him.