Floods swamp Oahu; evacuations ordered over dam failure risk

HONOLULU — Muddy floodwaters from severe rains inundated streets, pushed homes off their foundations, swallowed vehicles and prompted evacuation orders for thousands of residents in towns north of Honolulu on Friday as officials warned of the possible failure of a 120-year-old dam. Emergency sirens blared along Oahu’s North Shore, where rising waters damaged homes in