Police say shooting spree "catastrophic,"

A gunman wearing police uniforms and police identification landed on a small island about 40 kilometers west of Oslo, shooting people at a youth camp two hours after the deadly bomb explosion rocked the government building quarters in the Norwegian capital city. (AFP Photo)

OSLO, July 23 (Xinhua) -- The death toll may surpass 80 in the shooting spree at a youth camp near Norway's capital city, police said early Saturday.

Earlier reports put the shooting death toll at 10.

The shooting is of "catastrophic dimensions" and many more victims had been discovered, Police director Oystein Maeland told a news conference.

"The updated information we know now is at least 80," he said.