It is the most destructive flood in Philippine history .
Pasig was one of the areas struck by the high flood created by Typhoon Ondoy on September 26 , 2009 , which affected the Ortigas Avenue and the east city side of the Manggahan Floodway .
Pasig is the most destructive flood in Philippine history .
Pasig was one of the areas struck by the high flood created by Typhoon Ondoy on September 26 , 2009 , which affected the Ortigas Avenue and the east city side of the Manggahan Floodway .