Many parts of the country appear “like a sea,” Pakistan's Prime Minister Shehbaz Sharif said on Wednesday, after visiting flood-hit areas that cover almost a third of the South Asian nation.

US Southern states still grappling with widespread power outages and water-logged homes after deadly Hurricane Ida faced new flash flood threats on Monday from slow-moving rain and drenching thunderstorms.

The unprecedented situation has prompted a flash flood emergency warning for New York City, as the flooding turned streets into rivers and shut down subway services.