What’s the main idea of this news item? [originaltext] Officials in the Phili

Officials in the Philippines say at least a hundred people have died in floods and landslides in the north triggered by a week of heavy rain. This follows two storms in the past two weeks which have already left about 300 people dead. Reports said that even some evacuation centers had been flooded.
    Officials say that 30 cities were hit by .the landslide through the night where residents had taken to the rooftops of their houses for refuge. The northern Philippines have been pounded by heavy rain following the second typhoon in just over a week to hit the nation. Typhoon Parma has lingered in the north of the country turning into a tropical depression. It follows Typhoon Ketsana which killed more than 300 people when it hit on September 26.