How did the people respond to the twin tower disaster?

Class C extinguisher? How do you properly store gasoline? What happens if you put hydrogen in a fire extinguisher? What lessons were learned from flood? Who created the 'red cross or iron cross poster'? How many people die from fires? What is maintained and non maintained emergency lighting? How many miles to run to lose 1 pound? What was the Disaster response by bharat scouts and guides during kadalundi train accident? How do you use the word outbreak in a sentence? Was there a tornado in long island? How many people died in the eyjafjallajokull eruption? How can you easily tell tempered glass from regular glass without breaking it? Is there going to be a tornado in the US? Name the first thing you would do if you were stranded on a deserted island? What is the contextual meaning of Alert? What will happen if fire extinguishers are not serviced periodically? What is the EF stand for in an EF1 tornado? Who was saved from the flood? How long will a 20 pound ABC fire extinguisher in use last?