NEW : The violence is thought to have been sparked by a rivalry between two unions that wield a lot of power and influence in South Africa . The Lonmin mine is not producing ore , an executive vice president says . The owner gives striking workers another day to come back to their jobs . A new report from the International Labor Organization (ILO) shows that South Africa has one of the highest rates of child labor in the world -- and it could be getting worse. 44 people have been killed in violence at the mine , including 34 by police Thursday .
NEW : The Lonmin mine is not producing ore , an executive vice president says . The owner gives striking workers another day to come back to their jobs . A new report from the International Labor Organization (ILO) shows that South Africa has one of the highest rates of child labor in the world -- and it could be getting worse. 44 people have been killed in violence at the mine , including 34 by police Thursday .