Portland police clash with protesters and make ‘cement milkshake’ claim

Left- and rightwing demonstrators marched again in Oregon, leading to blocked traffic and skirmishes with law enforcementPolice use pepper spray as multiple groups protest in downtown Portland. Photograph: Dave Killen/APPolice declared a civil disturbance in Portland, Oregon, on Saturday afternoon, after a day of duelling political protests culminated in brawls and standoffs between demonstrators and law enforcement.By 3pm more than 400 leftwing marchers had blocked traffic in parts of downtown.