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Twenty EFF MPs have been found guilty on all charges stemming from their heckling of President Jacob Zuma over his Nkandla home.
Parliament's powers and privileges committee on Wednesday afternoon found Economic Freedom Fighters Chief Whip Floyd Shivambu and his colleague Mpho Ramakatsa guilty on seven charges each.
It found EFF leader Julius Malema and the party's spokesman Mbuyiseni Ndlozi guilty on four charges each.
The rest of the group, who chanted "pay back the money" at Zuma in the National Assembly during presidential question time on the 21st of August, were found guilty of between one and six charges, according to committee chairman Lemias Mashile.
The charges range from refusing to obey an order by the Speaker to sit down or leave the chamber, to creating a disturbance in Parliament and interfering with the functions of the legislature.
Mashile said the EFF MPs would be given an opportunity on Friday to plead in mitigation of sentencing.
According to parliamentary rules, punishment could include suspension from the legislature for 14 working days.