Oslo, March 31, SPA -- Three rockets were fired overnight at a Norwegian base in Afghanistan without causing any injuries, the Norwegian Defense Staff said Monday. Security at the base was raised, DPA reported Norway has some 150 soldiers at the base in Maimana where thereare also some 50 troops from Latvia. They are part of theInternational Security Assistance Force (ISAF).--SPA www.spa.gov.sa/541498