JOHANNESBURG – The Hawks and the South African Police Service have raided a multi-million-rand drug lab on a farm in Groblersdal in Limpopo. Four people have been arrested on the premises and large quantities of chemicals and instruments used to make meth have been confiscated.READ: WATCH | Hawks update on crime fighting effortsThe farm owner was among those arrested, which included two Mexican nationals.Hawks head, Lieutenant General Godfrey Lebeya, spoke to eNCA.