Oslo police confirm a bomb attack against the government HQ in central Oslo killed several people this afternoon, at 3:20pm. It's unclear how many victims there are. Video taken minutes after the attack.
Norwegian newspaper Dagbladet reports the attack was aimed at the Energy Ministry, and that a car-bomb went off between the ministry and the PM's office. The Norwegian PM is reported safe.
Update: Reports of a second blast turned out to be untrue. They were apparently caused by shattering windows.
Update 2: A man pretending to be a policeman started shooting on the island of Utøya. The Worker's Youth League (Labour Party's Youth) are having their summer camp there, with 700 attendees. Norwegian PM Jens Stoltenberg told TV2 that the situation on the island was serious and critical. An eyewitness speaking to VG Nett reported "we are under attack!", before the call was cut off.
Update 3: Government HQ, site of the blast:
Update 4: Various updates throughout the article.
There are reports that 3 people were arrested.
