Rwanda any further movement between the classes. Belgium continued to rule Ruanda-Urundi (of which Rwanda formed the northern part) as a UN Trust Territory after the Second World War, with a mandate to oversee eventual independence. Tensions escalated between the Tutsi, who favoured early independence, and the Hutu emancipation movement, culminating in the 1959 Rwandan Revolution: Hutu activists began killing Tutsi and destroying their houses, forcing more than 100,000 people to seek refuge in neighbouring countries. In 1961, the suddenly pro-Hutu Belgians held a referendum in which the country voted to abolish the monarchy. Rwanda was separated from Burundi and gained
Sport in Rwanda to compete in athletics, powerlifting and sitting volleyball. Rwanda competed in the Commonwealth Games for the first time at the 2010 Games in Delhi, India, after joining the Commonwealth the year before. Rwandan competitors took part in athletics, boxing, road cycling and swimming. Rwanda sent athletes to the 2014 Games to compete in athletics, boxing, cycling, swimming and weightlifting. Rwanda's team at the 2014 African Youth Games had the highest proportion of female athletes (29 out of a total of 49 athletes) of any participating country. Rwanda's basketball federation has been a member of the International Basketball Federation since 1977.