Debris, burning tyres block Nasrec Road

File: Traffic officials say it's not clear if it is linked to the Shutdown movement, as there was no notice of protest.

File: Traffic officials say it's not clear if it is linked to the Shutdown movement, as there was no notice of protest.

eNCA

JOHANNESBURG - Traffic is being disrupted in the Riverlea area, south of central Johannesburg.

READ: Western Cape shutdown 'not racial issue'

Some residents have blocked major roads with burning tyres and rocks.

But there are no protests taking place.