What is "oslogjengen"

Oslogjengen (lit. The Oslo Gang, also called Kompani Linge's Oslo Detachment) was a sabotage group operating in Oslo from May 1944 to May 1945, during the last year of the occupation of Norway by Nazi Germany. The group had its basis in both the British Special Operations Executive and the Norwegian Milorg, was coordinated by Gunnar Sønsteby, and had around ten members. It was the dominant sabotage group in Oslo between May and September 1944, when they performed a series of successful sabotage operations.