Unregistered pesticides entering South Africa through illicit channels are used in unsafe conditions, creating a risk of contamination within the food chain.
Observed every year on 18 July, South Africans and communities worldwide are encouraged to spend 67 minutes helping others, symbolising Mandela's 67 years of public service.
Residents felt intense tremors in the Mexican states of Chiapas and Oaxaca as well as in Guatemala and El Salvador, AFP journalists confirmed. The authorities haven't reported any victims.