People in the Philippines are used to tropical storms - Washi was the 19th to hit the country so far this year.
Several centimetres of rain fell in a 24-hour period. Hundreds of people have died and many others are missing.
About 10,000 soldiers are involved in the rescue operation.
Lorries lie overturned in mud after the floods.
Almost 35,000 people filled evacuation centres.
Local people wade through water to return to their homes.
The flooding brought down poorly built houses in the city of Iligan.
The floods destroyed villages and left only mud-strewn ruins behind.
Villagers search the area after the floods.
