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Table 3 Timeline of the EMS response to the Utøya island shooting (estimated points of time in italics).

From: Oslo government district bombing and Utøya island shooting July 22, 2011: The immediate prehospital emergency medical service response

Event Time
Reports of shooting at Utøya island reaches Buskerud EMCC 17:24
First ambulance units dispatched by Buskerud EMCC 17:24
First EMS unit arrives near Utøya island 17:33
A major incident declared in VVE. 17:45
VVE hospitals Drammen and Ringerike activate their major incident plan (Asker Bærum already activated their major incident plan following the Oslo bombing) 17:45
Utvika quay briefly declared secure by local police 17:55
First victims arrive on the mainland shores east of Utøya island 18:05
First HEMS unit arrives at deployment site south of Utøya island 18:10
Last HEMS unit arrives at deployment site south of Utøya island 18:25
First organised casualty-clearing station established at Utvika quay 18:50
Second casualty-clearing station established at Storøya 19:05
First EMS personnel arrive at Utøya island 19:40
First casualty-clearing station closed 19:45
First patient from Utøya island arrives at Oslo University Hospital Ullevål 19:57
Last patient from Utøya island arrives at Oslo University Hospital Ullevål 21:30
Last HEMS unit leaves secondary casualty-clearing station 22:20
Second casualty-clearing station closed 23:00
  1. EMCC = Emergency Medical Communication Centre, EMS = Emergency Medical Service, HEMS = Helicopter Emergency Medical Service, VVE = Vestre Viken Health Enterprise