Norway on highest terror alert after two killed in mass shootings

Acting police chief calls Oslo shootings extreme Islamist terror act' and says gunman has history of violence

The Norwegian security service has raised its terror alert to the highest level after mass shootings left two people dead and many wounded during Pride week in Oslo.

Roger Berg, the acting PST chief, called the shootings an extreme Islamist terror act". He said the gunman, who was arrested shortly after the shootings, had a long history of violence and threats".