Thousands of protesters march through Cape Town on March 7, 2012 in a protest by the powerful Cosatu labour body, the latest sign of tensions within the ANC-led government.
- [Rodger Bosch/AFP/Getty Images]

The Cosatu protesters' official rallying cry is to demand that government scrap plans for tolls on major roads around Johannesburg and rein in the practice of labour brokers who offer workers short-term contracts at lower pay.
- [Rodger Bosch/AFP/Getty Images]

Zwelinzima Vavi, the secretary general of South Africa's powerful labour federation Cosatu, gives a press conference on March 6, 2012 in Pretoria. The new toll system has created a huge public outcry and Cosatu, which is a partner in the African National Congress-led government, has vowed to stop it. The system was supposed to begin working in February and gantries have already been erected along the newly upgraded five-lane highways around the two cities.
- [AFP Stringer/AFP/Getty Images]

Thousands of protesters holding Cosatu flags march through Johannesburg on March 7, 2012 to protest new tolls on highways between Johannesburg and nearby Pretoria and the practices of temp agencies, which unions say are hurting the poor. About 10,000 people chanted "no to e-tolls" and "no to labour brokers" as they marched through the city centre.The new toll system has created a huge public outcry and Cosatu, which is a partner in the African National Congress-led government, has vowed to stop it. The system was supposed to begin working in February and gantries have already been erected along the newly upgraded five-lane highways around the two cities.
- [Rodger Bosch/AFP/Getty Images]

A woman with her mouth taped shut joins thousands of protesters marching through Cape Town on March 7, 2012 in a protest by the powerful Cosatu labour body, the latest sign of tensions within the ANC-led government. The protest's official rallying cry is to demand that government scrap plans for tolls on major roads around Johannesburg and rein in the practice of labour brokers who offer workers short-term contracts at lower pay.
- [Rodger Bosch/AFP/Getty Images]