He rejoined the ANC after being released from jail in 1975 . In 1976 he became co-chairman , with Martin Ramokgadi , of the clandestine ANC organisation in Johannesburg , known as the Main Machinery . During this time , the South African security services attempted to assassinate him by placing a bomb in his car , but it was discovered . He was arrested again after the Soweto uprising but the police , with little evidence , were unable to make a case against him . Released in 1977 , he left for Botswana and then when to Zimbabwe after independence
Soweto uprising
Soweto uprising
Joe Gqabi