HAGATNA, Guam (AP) — Residents of the tiny Pacific island of Guam say they're afraid of being caught in the middle of escalating tensions between the U.S. and North Korea after Pyongyang announced it was examining plans for attacking the strategically important U.S. territory.

Though local officials downplayed any threat and Secretary of State Rex Tillerson was unruffled as he headed to Guam to refuel on his trip back to Washington from Malaysia, people who live and work on the island said they could no longer shrug off the idea of being a potential target. Guam serves as a launching pad for t...