Here are aerial images of the unprecedented floods in the Cagayan region taken by the Philippine Coast Guard. Rains from Typhoon Ulysses (Vamco) and the seasonal monsoon inundated riverside communities and chased people to their rooftops.
MORE ON CAGAYAN FLOODS
The Coast Guard and the Armed Forces have deployed troops, boats and helicopters to respond to the disaster. There have been millions of Twitter and Facebook posts with the hashtag #CagayanNeedsHelp.