US First Lady Michelle Obama has paid tribute to apartheid victims on a visit to South Africa's township of Soweto.

She was speaking to young women from across Africa in a church that became a landmark in the 1976 Soweto uprising.

Mrs Obama said the successful fight against apartheid as well as the US civil rights movement should inspire them to overcome the problems of today, such as HIV or violence against women.

On Monday, Mrs Obama met the former South African President Nelson Mandela....