If there is a fire, call 911 for help.
A telephone number used to contact emergency services in the United States and Canada.
Many people remember where they were on 911.
A reference to the September 11 attacks in 2001 in the United States.
If you see an accident, you should 911 immediately.
To call emergency services using the number 911.
The 911 response was quick and effective.
Relating to emergency services or urgent situations.
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