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 ...

The mural and surrounding area will be guarded by “Rob,” the city’s first autonomous security robot that looks reminiscent of R2D2 from “Star Wars.” Rob will provide 24/7 surveillance of ...