PORTLAND, Ore. (KPTV/Gray News) – An autonomous security robot is now patrolling part of downtown Portland. Portland city officials and community improvement partners gathered on Tuesday to unveil a ...

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PORTLAND, Oregon — The U.S. Bancorp Tower has added a new member to its security team: a robot. Nicknamed Rob, the robot stands at 5 feet, 5 inches tall and weighs 420 pounds. Like some other large ...