(Oregon City, OR)  --  A man is facing charges after allegedly threatening people with a gun near the Clackamas County Courthouse.  The Oregon City Police Department says officers responded to the area yesterday afternoon on reports of a man acting aggressively.  Responding officers found the man pointing his gun at two strangers while chasing them.  Police ordered him to drop the gun and arrested him on charges of menacing and unlawful use of a weapon.