Gay McDougal, UN Expert on the elimination of racial discrimination and the promotion of the rights of minorities around the world, is taking your questions on Reddit!

Join in at 4 pm (NYC time) on Monday, 21 March. The question and answer session will be accessible via this link:

This online event is just one way the UN is marking the International Day for the Elimination of Racial Discrimination which is observed annually on 21 March. On that day, in 1960, police opened fire and killed 69 people at a peaceful demonstration in Sharpeville, South Africa, against the apartheid pass laws.

Help spread the word on Twitter, Facebook and Instagram using the hashtag: #fightracism