The following is a timeline of events during the attacks on a Norwegian government building and a political retreat for young people, according to police and eyewitnesses. All times are local.

_3:26 p.m.: A car bomb explodes outside the prime minister's office in central Oslo.

_Around 4:50 p.m.: Vacationers at a campground begin to hear shooting across the lake on Utoya, an island where the youth wing of the Labor Party is being held.

_5:26 p.m.: Police in Buskerud receive call about shooting on Utoya.

_5:30 p.m.: Buskerud police alert Oslo, request SWAT team.

_5:38 p.m.: SWAT team is dispatched from Oslo. It drives, deciding that starting a police helicopter would take longer.

_By 6 p.m.: The team arrives at the lake, but it struggles to find a boat to cross over.

_6:25 p.m.: The SWAT team arrives on the island.

_6:27 p.m.: Suspect puts down weapons and surrenders to police.