South Africa's pro-business Democratic Alliance party filed a court case challenging the legality of the budget process on Thursday and sought to block the implementation of a value-added tax increase,

Leaders of South Africa’s Democratic Alliance will meet to discuss its involvement in the nation’s coalition government after lawmakers passed a budget framework that second-biggest party opposed.

The Democratic Alliance, which joined the government after the long-ruling African National Congress lost its parliamentary majority last year, said it could not support a tax increase that would further burden the poor majority of the country’s population.