The mother buffalo was deeply saddened and could not save her calves from the death that the wild dogs spread.

A hunt took place by the herd of feral dogs, the target of which was probably the young buffaloes in a herd of migratory buffalo.
From afar, the wild dogs were already looking ahead and preparing to attack when the buffaloes came running.

Tanzania has the highest number of buffaloes in Africa - Report | WWF  wwftanzania
A herd of buffalo rattled from afar, smoke and dust flew with the aura of the buffalo herd. The opportunity had come to the pack of wild dogs that rushed out and began to push a few to one side.

Stand Off Between Wild Dogs And Buffalo - YouTube
The mother and daughter of the buffalo family were unlucky, they were cornered and rushed to the buffalo, the mother buffalo saw that and counterattacked to protect the child, but due to the large number of wild dogs, the young buffaloes were attacked and dragged. Go.
A few other buffaloes came to their aid but were no match for the wild dogs.

African Wild Dog - Lycaon pictus - Page 2 - Carnivora
The poor young buffalo was dragged away, the mother buffalo was held by wild dogs here, unable to do anything.
The mother buffalo screams pitifully when she can’t do anything to save her child. It is pitiful!