Mr. Muhammadu Buhari, the Nigeria president has delayed his visit to South Africa till October.
The President say he will be visiting South Africa to discuss the killings of Nigerians in the country as a result of xenophobic attacks.
South Africa has become under attack for killing foreign nationals in their country with Nigeria been the most hit.
Angry with the development, the Nigerian govern on Tuesday summoned the South Africa High Commissioner, Mr. Bobby Moroe.
The country has since said she will no longer tolerate the killings of her nationals in South Africa.