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.

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

Category 4 Typhoon Usagi and Tropical Storm Man-yi are next on the list of storms expected to strike the region.

Authorities in the Philippines on Thursday ordered evacuations in northeastern towns ahead of the arrival of Super Typhoon Usagi, as the storm-ravaged nation prepares for its fifth typhoon in a month and braces for a sixth later in the week.

Typhoon Usagi slammed into the Philippines' already disaster-ravaged north on Thursday, as authorities rushed to evacuate thousands of people from flood-prone areas.- 'Forced evacuations' - Elsewhere in Cagayan,