Typhoon Usagi weakened sharply on Friday after bearing down on the Philippines' northern towns, blowing away houses in its path as authorities brace for another storm that could hit the capital Manila over the weekend.

Typhoon Usagi has swamped rural villages in floods, knocked down power and displaced thousands more people before blowing away from the northern Philippines, which has been pounded by five major storm

The storm made landfall on the island of Luzon. Forecasters warned of torrential rain and landslides in the north of the country.