<sod>The first attack was a [[car bomb]] explosion in Oslo within [[Regjeringskvartalet]], the executive government quarter of Norway, at 15:25:22 ([[Central European Summer Time|CEST]]).<ref name="NORSAR_seismic_data">{{cite web |title=Eksplosjonen i Oslo sentrum 22. juli 2011 |url=http://www.jordskjelv.no/cgi-bin/showpage.cgi?type=siste&id=1311425084 |language=Norwegian |trans_title=The explosion in Oslo 22 July 2011 |date=23 July 2011 |accessdate=1 August 2011 |archiveurl=http://www.webcitation.org/66zJjcFnv |archivedate=17 April 2012 |deadurl=no}}</ref> The bomb was made from a mixture of [[ANFO|fertiliser and fuel oil]]<ref name="anfo1">{{cite news |title=Suspect in Norway attacks to face second interrogation |url=http://articles.cnn.com/2011-07-28/world/norway.attacks_1_oslo-police-bomb-blast-police-headquarters?_s=PM:WORLD |publisher=CNN |date=28 July 2011 }}</ref><ref name="anfo2">{{cite news |title=Oslo Norway Bombing: Suspect Anders Behring Breivik Bought Tons Of Fertilizer, Wrote Manifesto |url=http://www.huffingtonpost.com/2011/07/23/oslo-bombing-anders-behring-brelvik-norwegian-suspect-fertilizer_n_907697.html |agency=Associated Press |work=Huffington Post |date=23 July 2011 |accessdate=22 September 2011 |first=Curtis |last=Wong}}</ref> and placed in the back of a van.<ref name="car-remains">{{cite news|title=Her er restene av bombebilen |url=http://nrk.no/nyheter/norge/1.7851932 |newspaper=NRK |language=Norwegian |trans_title=Here is the remains of the car |date=29 October 2011 }}</ref> The van was placed next to the of [[Tower block]] housing the office of [[Prime Minister of Norway|Prime Minister]] [[Jens Stoltenberg]].<ref name="ccvt-photos">{{cite news |title=Ble sett av ti kameraer |url=http://www.abcnyheter.no/nyheter/110916/ble-sett-av-10-kameraer |newspaper=ABC Nyheter |language=Norwegian |trans_title=Was seen by ten surveillance cameras |date=16 September 2011 }}</ref> The explosion killed eight people and injured at least 209 people, twelve of them seriously.<ref name="formell-tiltale">{{cite news |title=Dette er Breivik tiltalt for |url=http://www.nrk.no/nyheter/norge/1.8024605 |publisher=[[Norwegian Broadcasting Corporation|NRK]]  |language=Norwegian |trans_title=Breivik's indictment |date=7 March 2012 }}</ref><ref name="ems-response">{{cite news |title=Oslo government district bombing and Utøya island shooting July 22, 2011: The immediate prehospital emergency medical service response |url=http://www.sjtrem.com/content/20/1/3 |publisher=Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine |date=26 January 2012 }}</ref><ref name="helsedir-rapport">{{cite web|title=Læring for bedre beredskap; Helseinnsatsen etter terrorhendelsene 22. juli 2011 |url=http://helsedirektoratet.no/publikasjoner/lering-for-bedre-beredskap-/Sider/default.aspx |language=Norwegian |date=9 March 2012 |deadurl=yes |archiveurl=https://web.archive.org/20131029075640/http://helsedirektoratet.no/publikasjoner/lering-for-bedre-beredskap-/Sider/default.aspx |archivedate=29 October 2013 }}</ref><eod>
<sod>The first attack was a [[car bomb]] explosion in Oslo within [[Regjeringskvartalet]], the executive government quarter of Norway, at 15:25:22 ([[Central European Summer Time|CEST]]).<ref name="NORSAR_seismic_data">{{cite web |title=Eksplosjonen i Oslo sentrum 22. juli 2011 |url=http://www.jordskjelv.no/cgi-bin/showpage.cgi?type=siste&id=1311425084 |language=Norwegian |trans_title=The explosion in Oslo 22 July 2011 |date=23 July 2011 |accessdate=1 August 2011 |archiveurl=http://www.webcitation.org/66zJjcFnv |archivedate=17 April 2012 |deadurl=no}}</ref> The bomb was made from a mixture of [[ANFO|fertiliser and fuel oil]]<ref name="anfo1">{{cite news |title=Suspect in Norway attacks to face second interrogation |url=http://articles.cnn.com/2011-07-28/world/norway.attacks_1_oslo-police-bomb-blast-police-headquarters?_s=PM:WORLD |publisher=CNN |date=28 July 2011 }}</ref><ref name="anfo2">{{cite news |title=Oslo Norway Bombing: Suspect Anders Behring Breivik Bought Tons Of Fertilizer, Wrote Manifesto |url=http://www.huffingtonpost.com/2011/07/23/oslo-bombing-anders-behring-brelvik-norwegian-suspect-fertilizer_n_907697.html |agency=Associated Press |work=Huffington Post |date=23 July 2011 |accessdate=22 September 2011 |first=Curtis |last=Wong}}</ref> and placed in the back of a van.<ref name="car-remains">{{cite news|title=Her er restene av bombebilen |url=http://nrk.no/nyheter/norge/1.7851932 |newspaper=NRK |language=Norwegian |trans_title=Here is the remains of the car |date=29 October 2011 }}</ref> The van was placed next to the [[tower block]] housing the office of [[Prime Minister of Norway|Prime Minister]] [[Jens Stoltenberg]].<ref name="ccvt-photos">{{cite news |title=Ble sett av ti kameraer |url=http://www.abcnyheter.no/nyheter/110916/ble-sett-av-10-kameraer |newspaper=ABC Nyheter |language=Norwegian |trans_title=Was seen by ten surveillance cameras |date=16 September 2011 }}</ref> The explosion killed eight people and injured at least 209 people, twelve of them seriously.<ref name="formell-tiltale">{{cite news |title=Dette er Breivik tiltalt for |url=http://www.nrk.no/nyheter/norge/1.8024605 |publisher=[[Norwegian Broadcasting Corporation|NRK]]  |language=Norwegian |trans_title=Breivik's indictment |date=7 March 2012 }}</ref><ref name="ems-response">{{cite news |title=Oslo government district bombing and Utøya island shooting July 22, 2011: The immediate prehospital emergency medical service response |url=http://www.sjtrem.com/content/20/1/3 |publisher=Scandinavian Journal of Trauma, Resuscitation and Emergency Medicine |date=26 January 2012 }}</ref><ref name="helsedir-rapport">{{cite web|title=Læring for bedre beredskap; Helseinnsatsen etter terrorhendelsene 22. juli 2011 |url=http://helsedirektoratet.no/publikasjoner/lering-for-bedre-beredskap-/Sider/default.aspx |language=Norwegian |date=9 March 2012 |deadurl=yes |archiveurl=https://web.archive.org/20131029075640/http://helsedirektoratet.no/publikasjoner/lering-for-bedre-beredskap-/Sider/default.aspx |archivedate=29 October 2013 }}</ref><eod>