With the 50th anniversary of the Democratic Republic of Congo's independence from Belgium fast approaching, it's logical that Leuven's Africa Film Festival should mark the event. But its decision to revive Raoul Peck's 1999 drama Lumumba has proved controversial in some quarters. The film's depiction of Belgian involvement in the murder of the country's first prime minister, Patrice Lumumba, is not how some people want to commemorate the period.