A woman wears a mask in front of a fire started by protestors during a student demonstration in front of the Union Buildings, the seat of the government, in Pretoria on October 23, 2015, against university fee hikes, a protest that has become a focus for youth frustration in South Africa. Some demonstrators tried to force their way towards the Union Buildings, tearing down a security fence, setting fire to portable toilets and hurling bricks at police lines in chaotic scenes as South African police fired stun grenades and tear gas. AFP PHOTO / STEFAN HEUNIS (Photo credit should read STEFAN HEUNIS/AFP/Getty Images)
