Thousands of demonstrators and counter protesters converged in downtown Portland, Oregon, on Sunday, a day marked by multiple arrests and clashes between police and protesters. A pro-President Donald Trump free speech rally drew several hundred to a plaza near City Hall. That rally was met across the street by hundreds of counter-protesters organized by immigrant rights, religious and labor groups. They said they wanted to make a stand against hate and racism. Huge Antifa presence in Portland. pic.twitter.com/YL4Q4h7BZ5 — Brittany Pettibone (@BrittPettibone) June 4, 2017 Portland police said Sunday evening that 14 people were arrested, and several dozen knives, bricks, sticks and other weapons were seized. By late afternoon, police closed nearby Chapman Square where a separate group of protesters…