A very big fire happened in Hong Kong. It was in a tall building where many people live. The fire started last week. Many people died. Many people are also missing.
The fire moved very fast. This is because of special nets on the building. The nets were not safe. They burned quickly.
Now, the government says all these nets must come down. They are checking the building rules. Some people are arrested.
The city is very sad. Leaders say they will help the families. They want to make buildings safe.