(Portland, OR) -- A man is facing charges after allegedly attacking another man with a hatchet downtown. Police say 35-year-old Nathan Schrader was at the Standard Insurance Center yesterday morning when an employee asked him to leave for trespassing. Schrader allegedly left and then returned with a hatchet, hitting the employee over the head with the blunt end of the weapon. Police say the victim did not require any medical treatment. Police tracked Schrader down a few blocks away and arrested him.