It comes after a group was spotted stopping trucks on the N3.
They fled when police noticed them but left their bakkie behind.
Officers found an ATDF-SA banner and stones inside the vehicle, which belongs to an ATDF-SA leader.
He was caught when a VW Polo – with two truck drivers – arrived to rescue him.
All three were arrested.
The SAPS is also investigating the possibility that the national office bearer is linked to a stoning incident near Colenso, just before his arrest.
More charges could be added.
_eNCAnews Dasen Thathiah_
