More than 11,000 people have been affected by the typhoon, with more than 1,000 still in evacuation centers Several communities remain flooded and without power after a strong typhoon battered the Philippines' northernmost islands, the authorities said on Sunday, displacing thousands of people.Typhoon Chanthu, which at one point was categorised by the Philippine weather bureau as a category 5 storm, has weakened after powering into the northernmost region, including the Batanes island group, on Saturday, the weather bureau said.