The police was notified of the leak by Joh. Johansson coffee at Filipstad clock 10:04.
The clock 10:45 enlightened police that six people are brought to Ullevål hospital, and that 51 people have been evacuated.
– None of the six show signs of serious damage, but they should be examined to find out what they’ve got in, says operations manager health Bjørnsveen.
“We have searched the entire building, and have not found anything dangerous gas. Police are investigating the cause forward, “notified Oslo Fire and Rescue Service on Twitter Wednesday afternoon.
It was first reported that there was talk of propane gas that had leaked out, but the fire department can not confirm this, and is unsure what kind of substance in question. (© NTB)