Thousands of public sector workers, including teachers, municipal workers, taxi drivers and nurses have been taking part in peaceful marches across South Africa.
Their strikes have brought large parts of the transport and health sectors to a standstill, with many schools and hospitals closed.
Public sector workers are angry about their pay, demanding an increase of no less than 10%. They have rejected the government's offer of a 7.25% rise.
The sacking of 600 nurses in Johannesburg has only inflamed tensions between union members and the government.
A total of 43 marches took place across the country with the unions claiming that as many as two million people took part. They warn strikes will continue unless their demands are met.