Initial reports are sketchy, but a large explosion
in downtown Oslo, Norway, near the prime minister's office.
One purported eyewitness is tweeting about it here
This appears to be a photo of the aftermath
. More here
. And here
A snippet of video here
. I don't know Oslo, so I can't say where this was taken or how far it is from the government offices that were at the epicenter of the blast, according to initial reports.
Continuous coverage at TPM's LiveWire