The London School of Economics Students' Union (LSESU) is the primary representative and campaigning body for students at the London School of Economics (LSE). Like other students' unions, it also funds and facilitates student activities of campus, including societies, sports clubs through the Athletics Union (AU), the Media Group, and Raising and Giving (RAG) charitable fundraising initiatives. The Union is affiliated with the National Union of Students (NUS), as well as being part of the federal Union for University of London students. Source: Wikipedia (en)