'Unprecedented' Super Typhoon blasting US Pacific islands with 289 km/h winds

The Earth's strongest storm this year is striking US territories in the western Pacific Ocean.

A strengthening Super Typhoon Yutu, with sustained winds of 289 km/h, is on a trek through the Northern Mariana Islands.

The storm is roaring across the islands of Saipan and Tinian, both US territories, and will become among the most intense storms - if not the most - on record to impact US soil.

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