The 999 system
The 999 system was first introduced in London on 30th June 1937 on the occurrence of a fire on the 10th November 1935 in a house on Wimpole Street in which five women were killed.
The 999 number is the official emergency contact number for the key services which the public can gain contact with 24 hours a day for urgent assistance. By using this number the caller could call the Police, Fire & Rescue, Ambulance, Coast guard, Mountain Rescue and Cave rescue.
The process of which the caller will go through when using the 999 system.
File:Flowchart for a 999 emergency call.svg http://en.wikipedia.org/wiki/File:Flowchart_for_a_999_emergency_call.svg Pass criteria
Incident Grading (P1)
Incident grading is the process how each emergency service responds, by the action of priority.
Police
The police have four categories they use to prioritise the incidents that occur
Grade 1 (Emergency Response)
An example of an emergency response would be any situation where there is a risk to a person's life or, a person who has had threatening behaviour or in progress of this behaviour occurring. Also any form of crime that is being committed or any serious injury to any person.
Grade 2 (Priority Response)
A grade 2 response classifies incidents that can range from a road traffic collision, which involves serious injury of the people involved and obstruction of access. Another grade 2 response is where a suspect has been arrested or detained and there is no danger of this person causing any harm to themselves or another.
Grade 3 (Scheduled Response)
The time in which the police respond to this incident is not of high priority. For example, the police have to take a statement from a person who has been assaulted. However the Police could arrange a time and place to question or take a statement for the given incident.
Grade 4 (Resolution Without