(Portland, OR)  --  No injuries are reported after a pickup truck raced through a crowd of protesters in North Portland.  The Oregonian reports protesters were gathered outside the Portland Police Association building on North Lombard Street when it happened.  The truck crashed into a motorcycle, which got caught underneath the front bumper, sending sparks flying.  The driver reportedly stopped and abandoned the truck a few blocks away from the scene.  Video of the incident posted on Twitter shows the male driver carrying a handgun and yelling at people as he walked away.  Police say they detained the driver for questioning.