Mexicans arrested as big meth lab in South Africa found on remote Limpopo farm

• Two Mexicans have been arrested in South Africa after police uncovered a multi-million dollar crystal methamphetamine laboratory in the north of the country.
• The lab was raided overnight at a farm near the town of Musina, in the Limpopo province, near South Africa's border with Zimbabwe.
• Two Zimbabweans and a Malawian national were also arrested.