The Clark County Sheriff's Office says photos taken by one of the victims led to the arrest of 21-year-old Alexander Rietbrock — who was released a day later.
Food cart and pod owners KGW spoke to say they're worried about a limit on the number of carts per lot and rules about the distance carts must be from one another.
Portland police said they're aware of Sunday's event off South Morrison and 2nd Avenue. They're estimating a few hundred people attended; no arrests were made.
Banks is set to lose its 1920s-era Union High School building, due for demolition. Some are fighting not only to save it but to transform it into a community hub.